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2055392880 = 243568312539
BaseRepresentation
bin111101010000010…
…1100111001110000
312022020120202222020
41322200230321300
513202140033010
6535542111440
7101635360032
oct17240547160
95266522866
102055392880
11965241102
1249441b580
13269aa0308
14156d97c52
15c06a5470
hex7a82ce70

2055392880 has 80 divisors (see below), whose sum is σ = 6381555840. Its totient is φ = 547258624.

The previous prime is 2055392879. The next prime is 2055392897. The reversal of 2055392880 is 882935502.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157651 + ... + 170189.

It is an arithmetic number, because the mean of its divisors is an integer number (79769448).

Almost surely, 22055392880 is an apocalyptic number.

2055392880 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 2055392880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3190777920).

2055392880 is an abundant number, since it is smaller than the sum of its proper divisors (4326162960).

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

2055392880 is a wasteful number, since it uses less digits than its factorization.

2055392880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13238 (or 13232 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2055392880 is about 45336.4409719157. The cubic root of 2055392880 is about 1271.4470619948.

The spelling of 2055392880 in words is "two billion, fifty-five million, three hundred ninety-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 683 1366 2049 2732 3415 4098 5464 6830 8196 10245 10928 12539 13660 16392 20490 25078 27320 32784 37617 40980 50156 54640 62695 75234 81960 100312 125390 150468 163920 188085 200624 250780 300936 376170 501560 601872 752340 1003120 1504680 3009360 8564137 17128274 25692411 34256548 42820685 51384822 68513096 85641370 102769644 128462055 137026192 171282740 205539288 256924110 342565480 411078576 513848220 685130960 1027696440 2055392880