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23105350155 = 3526938314951
BaseRepresentation
bin10101100001001011…
…111010101000001011
32012122020210101211110
4111201023322220023
5334304432201110
614340415501403
71445400143616
oct254113725013
965566711743
1023105350155
119887405608
124589b27863
132242b56c34
1411928b317d
159036bea20
hex5612faa0b

23105350155 has 32 divisors (see below), whose sum is σ = 37205360640. Its totient is φ = 12244169600.

The previous prime is 23105350153. The next prime is 23105350181. The reversal of 23105350155 is 55105350132.

It is not a de Polignac number, because 23105350155 - 21 = 23105350153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23105350153) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1537930 + ... + 1552880.

It is an arithmetic number, because the mean of its divisors is an integer number (1162667520).

Almost surely, 223105350155 is an apocalyptic number.

23105350155 is a deficient number, since it is larger than the sum of its proper divisors (14100010485).

23105350155 is a wasteful number, since it uses less digits than its factorization.

23105350155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15611.

The product of its (nonzero) digits is 11250, while the sum is 30.

The spelling of 23105350155 in words is "twenty-three billion, one hundred five million, three hundred fifty thousand, one hundred fifty-five".

Divisors: 1 3 5 15 269 383 807 1149 1345 1915 4035 5745 14951 44853 74755 103027 224265 309081 515135 1545405 4021819 5726233 12065457 17178699 20109095 28631165 60327285 85893495 1540356677 4621070031 7701783385 23105350155