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22685352008 = 231124721032
BaseRepresentation
bin10101001000001001…
…110000000001001000
32011112222111021200112
4111020021300001020
5332424422231013
614231013453452
71432110211334
oct251011600110
964488437615
1022685352008
119691320800
124491341288
1321a6b33017
141152bc47c4
158cb8aaba8
hex548270048

22685352008 has 108 divisors (see below), whose sum is σ = 48237585795. Its totient is φ = 9994147680.

The previous prime is 22685351999. The next prime is 22685352017. The reversal of 22685352008 is 80025358622.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (22685351999) and next prime (22685352017).

It can be written as a sum of positive squares in only one way, i.e., 11342676004 + 11342676004 = 106502^2 + 106502^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=106502.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 220246085 + ... + 220246187.

Almost surely, 222685352008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22685352008

22685352008 is an abundant number, since it is smaller than the sum of its proper divisors (25552233787).

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

22685352008 is a wasteful number, since it uses less digits than its factorization.

22685352008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 22685352008 in words is "twenty-two billion, six hundred eighty-five million, three hundred fifty-two thousand, eight".

Divisors: 1 2 4 8 11 22 44 47 88 94 103 121 188 206 242 376 412 484 517 824 968 1034 1133 2068 2209 2266 4136 4418 4532 4841 5687 8836 9064 9682 10609 11374 12463 17672 19364 21218 22748 24299 24926 38728 42436 45496 48598 49852 53251 84872 97196 99704 106502 116699 194392 213004 227527 233398 267289 426008 455054 466796 498623 534578 585761 910108 933592 997246 1069156 1171522 1283689 1820216 1994492 2138312 2343044 2502797 2567378 3988984 4686088 5005594 5134756 5484853 10011188 10269512 10969706 20022376 21939412 23435281 27530767 43878824 46870562 55061534 60333383 93741124 110123068 120666766 187482248 220246136 241333532 257788091 482667064 515576182 1031152364 2062304728 2835669001 5671338002 11342676004 22685352008