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2071242720 = 2532513710499
BaseRepresentation
bin111101101110100…
…1010011111100000
312100100102000212100
41323131022133200
513220214231340
6541305530400
7102220162341
oct17335123740
95310360770
102071242720
11973187348
124997a3a00
1327015c711
141591220c8
15c1c86830
hex7b74a7e0

2071242720 has 144 divisors (see below), whose sum is σ = 7120386000. Its totient is φ = 548247552.

The previous prime is 2071242697. The next prime is 2071242751. The reversal of 2071242720 is 272421702.

2071242720 is a `hidden beast` number, since 207 + 12 + 427 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192031 + ... + 202529.

It is an arithmetic number, because the mean of its divisors is an integer number (49447125).

Almost surely, 22071242720 is an apocalyptic number.

2071242720 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 2071242720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3560193000).

2071242720 is an abundant number, since it is smaller than the sum of its proper divisors (5049143280).

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

2071242720 is a wasteful number, since it uses less digits than its factorization.

2071242720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657 (or 10646 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 2071242720 is about 45510.9077035385. The cubic root of 2071242720 is about 1274.7068853304.

The spelling of 2071242720 in words is "two billion, seventy-one million, two hundred forty-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 137 144 160 180 240 274 288 360 411 480 548 685 720 822 1096 1233 1370 1440 1644 2055 2192 2466 2740 3288 4110 4384 4932 5480 6165 6576 8220 9864 10499 10960 12330 13152 16440 19728 20998 21920 24660 31497 32880 39456 41996 49320 52495 62994 65760 83992 94491 98640 104990 125988 157485 167984 188982 197280 209980 251976 314970 335968 377964 419960 472455 503952 629940 755928 839920 944910 1007904 1259880 1438363 1511856 1679840 1889820 2519760 2876726 3023712 3779640 4315089 5039520 5753452 7191815 7559280 8630178 11506904 12945267 14383630 15118560 17260356 21575445 23013808 25890534 28767260 34520712 43150890 46027616 51781068 57534520 64726335 69041424 86301780 103562136 115069040 129452670 138082848 172603560 207124272 230138080 258905340 345207120 414248544 517810680 690414240 1035621360 2071242720