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23012033255 = 51719231793461
BaseRepresentation
bin10101011011100111…
…111100001011100111
32012101202012102002222
4111123213330023213
5334112040031010
614323243422555
71443155024651
oct253347741347
965352172088
1023012033255
119839769202
124562824a5b
132229713333
1411843416d1
158ea3da355
hex55b9fc2e7

23012033255 has 64 divisors (see below), whose sum is σ = 32304614400. Its totient is φ = 15608862720.

The previous prime is 23012033227. The next prime is 23012033273. The reversal of 23012033255 is 55233021032.

It is not a de Polignac number, because 23012033255 - 222 = 23007838951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6647225 + ... + 6650685.

It is an arithmetic number, because the mean of its divisors is an integer number (504759600).

Almost surely, 223012033255 is an apocalyptic number.

23012033255 is a deficient number, since it is larger than the sum of its proper divisors (9292581145).

23012033255 is a wasteful number, since it uses less digits than its factorization.

23012033255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 23012033255 its reverse (55233021032), we get a palindrome (78245054287).

The spelling of 23012033255 in words is "twenty-three billion, twelve million, thirty-three thousand, two hundred fifty-five".

Divisors: 1 5 17 19 23 85 95 115 179 323 391 437 895 1615 1955 2185 3043 3401 3461 4117 7429 15215 17005 17305 20585 37145 57817 58837 65759 69989 78223 79603 289085 294185 328795 349945 391115 398015 619519 1117903 1329791 1353251 1512457 3097595 5589515 6648955 6766255 7562285 10531823 11770861 14248937 25711769 52659115 58854305 71244685 128558845 200104637 242231929 270729803 1000523185 1211159645 1353649015 4602406651 23012033255