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2005707120 = 243573239479
BaseRepresentation
bin111011110001100…
…1010100101110000
312011210002110220220
41313203022211300
513101430111440
6531005133040
7100463141424
oct16743124560
95153073826
102005707120
1193a19549a
1247b85a180
1325c6c4c61
14150542b84
15bb13d8d0
hex778ca970

2005707120 has 160 divisors (see below), whose sum is σ = 6342451200. Its totient is φ = 524224512.

The previous prime is 2005707113. The next prime is 2005707133. The reversal of 2005707120 is 217075002.

2005707120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20057071202 = 8045722102437388800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4187041 + ... + 4187519.

It is an arithmetic number, because the mean of its divisors is an integer number (39640320).

Almost surely, 22005707120 is an apocalyptic number.

2005707120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2005707120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3171225600).

2005707120 is an abundant number, since it is smaller than the sum of its proper divisors (4336744080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005707120 is a wasteful number, since it uses less digits than its factorization.

2005707120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2005707120 is about 44785.1216365435. The cubic root of 2005707120 is about 1261.1183318811.

It can be divided in two parts, 200570 and 7120, that added together give a triangular number (207690 = T644).

The spelling of 2005707120 in words is "two billion, five million, seven hundred seven thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 73 80 120 146 219 239 240 292 365 438 478 479 584 717 730 876 956 958 1095 1168 1195 1434 1437 1460 1752 1912 1916 2190 2390 2395 2868 2874 2920 3504 3585 3824 3832 4380 4780 4790 5736 5748 5840 7170 7185 7664 8760 9560 9580 11472 11496 14340 14370 17447 17520 19120 19160 22992 28680 28740 34894 34967 38320 52341 57360 57480 69788 69934 87235 104682 104901 114481 114960 139576 139868 174470 174835 209364 209802 228962 261705 279152 279736 343443 348940 349670 418728 419604 457924 523410 524505 559472 572405 686886 697880 699340 837456 839208 915848 1046820 1049010 1144810 1373772 1395760 1398680 1678416 1717215 1831696 2093640 2098020 2289620 2747544 2797360 3434430 4187280 4196040 4579240 5495088 6868860 8357113 8392080 9158480 13737720 16714226 25071339 27475440 33428452 41785565 50142678 66856904 83571130 100285356 125356695 133713808 167142260 200570712 250713390 334284520 401141424 501426780 668569040 1002853560 2005707120