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23045441538 = 237678189567
BaseRepresentation
bin10101011101100111…
…011000100000000010
32012111002001201122210
4111131213120200002
5334144113112123
614330435442550
71444042010130
oct253547304002
965432051583
1023045441538
119856607359
124571a56456
13223360c752
14118895a750
158ed2d8e93
hex55d9d8802

23045441538 has 32 divisors (see below), whose sum is σ = 53461499904. Its totient is φ = 6486136272.

The previous prime is 23045441479. The next prime is 23045441567. The reversal of 23045441538 is 83514454032.

It is a junction number, because it is equal to n+sod(n) for n = 23045441496 and 23045441505.

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, 4091970 + ... + 4097597.

It is an arithmetic number, because the mean of its divisors is an integer number (1670671872).

Almost surely, 223045441538 is an apocalyptic number.

23045441538 is an abundant number, since it is smaller than the sum of its proper divisors (30416058366).

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

23045441538 is a wasteful number, since it uses less digits than its factorization.

23045441538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189646.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 23045441538 in words is "twenty-three billion, forty-five million, four hundred forty-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1407 2814 8189567 16379134 24568701 49137402 57326969 114653938 171980907 343961814 548700989 1097401978 1646102967 3292205934 3840906923 7681813846 11522720769 23045441538