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23145310105215 = 351543020673681
BaseRepresentation
bin1010100001100111011111…
…11111001010111001111111
310000221200002110022221210120
411100303233333022321333
511013203043341331330
6121120450401310023
74606123234550424
oct520635777127177
9100850073287716
1023145310105215
117413964180561
122719871635313
13cbb79385c9cc
145a034bac7d4b
152a20e15aac10
hex150ceffcae7f

23145310105215 has 8 divisors (see below), whose sum is σ = 37032496168368. Its totient is φ = 12344165389440.

The previous prime is 23145310105199. The next prime is 23145310105259. The reversal of 23145310105215 is 51250101354132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23145310105215 - 24 = 23145310105199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771510336826 + ... + 771510336855.

It is an arithmetic number, because the mean of its divisors is an integer number (4629062021046).

Almost surely, 223145310105215 is an apocalyptic number.

23145310105215 is a deficient number, since it is larger than the sum of its proper divisors (13887186063153).

23145310105215 is a wasteful number, since it uses less digits than its factorization.

23145310105215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543020673689.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 23145310105215 its reverse (51250101354132), we get a palindrome (74395411459347).

The spelling of 23145310105215 in words is "twenty-three trillion, one hundred forty-five billion, three hundred ten million, one hundred five thousand, two hundred fifteen".

Divisors: 1 3 5 15 1543020673681 4629062021043 7715103368405 23145310105215