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23161116667340 = 2251158055833367
BaseRepresentation
bin1010100010000100111100…
…01000011010110111001100
310001000011220001011111201102
411101002132020122313030
511013432431331323330
6121132023051002232
74610223030244061
oct521023610326714
9101004801144642
1023161116667340
11741a635605643
122720943139378
13cc0112518752
145a100b0a4c68
152a27190e1945
hex15109e21adcc

23161116667340 has 12 divisors (see below), whose sum is σ = 48638345001456. Its totient is φ = 9264446666928.

The previous prime is 23161116667333. The next prime is 23161116667343. The reversal of 23161116667340 is 4376661116132.

It is not an unprimeable number, because it can be changed into a prime (23161116667343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579027916664 + ... + 579027916703.

It is an arithmetic number, because the mean of its divisors is an integer number (4053195416788).

Almost surely, 223161116667340 is an apocalyptic number.

23161116667340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23161116667340 is an abundant number, since it is smaller than the sum of its proper divisors (25477228334116).

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

23161116667340 is a wasteful number, since it uses less digits than its factorization.

23161116667340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158055833376 (or 1158055833374 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 23161116667340 in words is "twenty-three trillion, one hundred sixty-one billion, one hundred sixteen million, six hundred sixty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1158055833367 2316111666734 4632223333468 5790279166835 11580558333670 23161116667340