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23308559568 = 243377707857
BaseRepresentation
bin10101101101010011…
…000110010011010000
32020011102011111202000
4111231103012103100
5340213442401233
614412515154000
71453415326110
oct255523062320
966142144660
1023308559568
11998108a878
124625ba5900
132275c95ca8
1411b188d040
1591645ed13
hex56d4c64d0

23308559568 has 80 divisors (see below), whose sum is σ = 76461951360. Its totient is φ = 6659587584.

The previous prime is 23308559531. The next prime is 23308559569. The reversal of 23308559568 is 86595580332.

23308559568 is a `hidden beast` number, since 2 + 3 + 30 + 8 + 559 + 56 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23308559569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3850905 + ... + 3856952.

It is an arithmetic number, because the mean of its divisors is an integer number (955774392).

Almost surely, 223308559568 is an apocalyptic number.

23308559568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23308559568 is an abundant number, since it is smaller than the sum of its proper divisors (53153391792).

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

23308559568 is a wasteful number, since it uses less digits than its factorization.

23308559568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707881 (or 7707869 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 23308559568 in words is "twenty-three billion, three hundred eight million, five hundred fifty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 189 216 252 336 378 432 504 756 1008 1512 3024 7707857 15415714 23123571 30831428 46247142 53954999 61662856 69370713 92494284 107909998 123325712 138741426 161864997 184988568 208112139 215819996 277482852 323729994 369977136 416224278 431639992 485594991 554965704 647459988 832448556 863279984 971189982 1109931408 1294919976 1456784973 1664897112 1942379964 2589839952 2913569946 3329794224 3884759928 5827139892 7769519856 11654279784 23308559568