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23255628588 = 22321956959753
BaseRepresentation
bin10101101010001001…
…001011101100101100
32020000201120100002100
4111222021023230230
5340111420103323
614403344455100
71452203403303
oct255211135454
966021510070
1023255628588
119954217a65
12461031a490
13226802279a
1411a883143a
159119a6943
hex56a24bb2c

23255628588 has 72 divisors (see below), whose sum is σ = 61988799600. Its totient is φ = 7330853376.

The previous prime is 23255628551. The next prime is 23255628677. The reversal of 23255628588 is 88582655232.

23255628588 is a `hidden beast` number, since 2 + 3 + 2 + 5 + 5 + 628 + 5 + 8 + 8 = 666.

It is a super-2 number, since 2×232556285882 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359320 + ... + 419072.

It is an arithmetic number, because the mean of its divisors is an integer number (860955550).

Almost surely, 223255628588 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 23255628588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30994399800).

23255628588 is an abundant number, since it is smaller than the sum of its proper divisors (38733171012).

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

23255628588 is a wasteful number, since it uses less digits than its factorization.

23255628588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60351 (or 60346 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 23255628588 in words is "twenty-three billion, two hundred fifty-five million, six hundred twenty-eight thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 569 684 1138 1707 2276 3414 5121 6828 10242 10811 20484 21622 32433 43244 59753 64866 97299 119506 129732 179259 194598 239012 358518 389196 537777 717036 1075554 1135307 2151108 2270614 3405921 4541228 6811842 10217763 13623684 20435526 33999457 40871052 67998914 101998371 135997828 203996742 305995113 407993484 611990226 645989683 1223980452 1291979366 1937969049 2583958732 3875938098 5813907147 7751876196 11627814294 23255628588