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10400042000 = 24535200021
BaseRepresentation
bin10011010111110010…
…00000110000010000
3222211210111212120202
421223321000300100
5132244402321000
64435552554332
7515502620105
oct115371006020
928753455522
1010400042000
114457609537
122022b529a8
13c99844c0a
14709338aac
1540d07ddd5
hex26be40c10

10400042000 has 40 divisors (see below), whose sum is σ = 25147306392. Its totient is φ = 4160016000.

The previous prime is 10400041987. The next prime is 10400042011. The reversal of 10400042000 is 24000401.

It can be written as a sum of positive squares in 4 ways, for example, as 428821264 + 9971220736 = 20708^2 + 99856^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 2598011 + ... + 2602010.

Almost surely, 210400042000 is an apocalyptic number.

10400042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400042000 is an abundant number, since it is smaller than the sum of its proper divisors (14747264392).

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

10400042000 is an equidigital number, since it uses as much as digits as its factorization.

10400042000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200044 (or 5200028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 10400042000 its reverse (24000401), we get a palindrome (10424042401).

The spelling of 10400042000 in words is "ten billion, four hundred million, forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 5200021 10400042 20800084 26000105 41600168 52000210 83200336 104000420 130000525 208000840 260001050 416001680 520002100 650002625 1040004200 1300005250 2080008400 2600010500 5200021000 10400042000