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23151154032 = 2432712264393
BaseRepresentation
bin10101100011111010…
…101001001101110000
32012202102222110221100
4111203322221031300
5334403143412112
614345133324400
71446464363616
oct254372511560
965672873840
1023151154032
11990024a756
1245a1336700
13224c4a3416
1411989d76b6
1590771b2dc
hex563ea9370

23151154032 has 60 divisors (see below), whose sum is σ = 65703656304. Its totient is φ = 7608357120.

The previous prime is 23151154007. The next prime is 23151154043. The reversal of 23151154032 is 23045115132.

It is a junction number, because it is equal to n+sod(n) for n = 23151153987 and 23151154005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1121973 + ... + 1142420.

Almost surely, 223151154032 is an apocalyptic number.

It is an amenable number.

23151154032 is an abundant number, since it is smaller than the sum of its proper divisors (42552502272).

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

23151154032 is a wasteful number, since it uses less digits than its factorization.

23151154032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264478 (or 2264469 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 23151154032 its reverse (23045115132), we get a palindrome (46196269164).

The spelling of 23151154032 in words is "twenty-three billion, one hundred fifty-one million, one hundred fifty-four thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 71 72 142 144 213 284 426 568 639 852 1136 1278 1704 2556 3408 5112 10224 2264393 4528786 6793179 9057572 13586358 18115144 20379537 27172716 36230288 40759074 54345432 81518148 108690864 160771903 163036296 321543806 326072592 482315709 643087612 964631418 1286175224 1446947127 1929262836 2572350448 2893894254 3858525672 5787788508 7717051344 11575577016 23151154032