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10400542720 = 2125507839
BaseRepresentation
bin10011010111110101…
…11011000000000000
3222211211110022102221
421223322323000000
5132300014331340
64440011420424
7515510103661
oct115372730000
928754408387
1010400542720
114457920757
122023154714
13c9998bab9
14709429368
1540d12c44a
hex26bebb000

10400542720 has 52 divisors (see below), whose sum is σ = 24958304640. Its totient is φ = 4160208896.

The previous prime is 10400542703. The next prime is 10400542751. The reversal of 10400542720 is 2724500401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233440 + ... + 274399.

Almost surely, 210400542720 is an apocalyptic number.

10400542720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400542720 is an abundant number, since it is smaller than the sum of its proper divisors (14557761920).

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

10400542720 is an frugal number, since it uses more digits than its factorization.

10400542720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507868 (or 507846 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The spelling of 10400542720 in words is "ten billion, four hundred million, five hundred forty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 10240 20480 507839 1015678 2031356 2539195 4062712 5078390 8125424 10156780 16250848 20313560 32501696 40627120 65003392 81254240 130006784 162508480 260013568 325016960 520027136 650033920 1040054272 1300067840 2080108544 2600135680 5200271360 10400542720