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2052137920 = 26578571069
BaseRepresentation
bin111101001010001…
…0010001111000000
312022000110102000011
41322110102033000
513200321403140
6535344234304
7101565612250
oct17224221700
95260412004
102052137920
11963418658
1249330b994
132692008c1
1415678b960
15c0260cea
hex7a5123c0

2052137920 has 112 divisors (see below), whose sum is σ = 5596493760. Its totient is φ = 702111744.

The previous prime is 2052137909. The next prime is 2052137953. The reversal of 2052137920 is 297312502.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×20521379202 = 8422540085403852800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919146 + ... + 1920214.

Almost surely, 22052137920 is an apocalyptic number.

2052137920 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 2052137920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2798246880).

2052137920 is an abundant number, since it is smaller than the sum of its proper divisors (3544355840).

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

2052137920 is a wasteful number, since it uses less digits than its factorization.

2052137920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2052137920 is about 45300.5289152345. The cubic root of 2052137920 is about 1270.7755446576.

The spelling of 2052137920 in words is "two billion, fifty-two million, one hundred thirty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 857 1069 1120 1714 2138 2240 3428 4276 4285 5345 5999 6856 7483 8552 8570 10690 11998 13712 14966 17104 17140 21380 23996 27424 29932 29995 34208 34280 37415 42760 47992 54848 59864 59990 68416 68560 74830 85520 95984 119728 119980 137120 149660 171040 191968 239456 239960 274240 299320 342080 383936 478912 479920 598640 916133 959840 1197280 1832266 1919680 2394560 3664532 4580665 6412931 7329064 9161330 12825862 14658128 18322660 25651724 29316256 32064655 36645320 51303448 58632512 64129310 73290640 102606896 128258620 146581280 205213792 256517240 293162560 410427584 513034480 1026068960 2052137920