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23211225408 = 263717270257
BaseRepresentation
bin10101100111011111…
…110011000101000000
32012220122000102101010
4111213133303011000
5340014033203113
614355121040520
71451124106050
oct254737630500
965818012333
1023211225408
11993114a218
1245b9486140
13225ba76a07
1411a2993560
1590cb351c3
hex5677f3140

23211225408 has 56 divisors (see below), whose sum is σ = 70186328512. Its totient is φ = 6631778304.

The previous prime is 23211225391. The next prime is 23211225419. The reversal of 23211225408 is 80452211232.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8633785 + ... + 8636472.

Almost surely, 223211225408 is an apocalyptic number.

23211225408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23211225408 is an abundant number, since it is smaller than the sum of its proper divisors (46975103104).

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

23211225408 is a wasteful number, since it uses less digits than its factorization.

23211225408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17270279 (or 17270269 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 23211225408 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-five thousand, four hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 17270257 34540514 51810771 69081028 103621542 120891799 138162056 207243084 241783598 276324112 362675397 414486168 483567196 552648224 725350794 828972336 967134392 1105296448 1450701588 1657944672 1934268784 2901403176 3315889344 3868537568 5802806352 7737075136 11605612704 23211225408