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23145155155005 = 3513174676795277
BaseRepresentation
bin1010100001100111001101…
…10000000101010000111101
310000221122200122202200001220
411100303212300011100331
511013202234204430010
6121120423144223553
74606116343522512
oct520634660052075
9100848618680056
1023145155155005
117413894768134
12271982976abb9
13cbb76a7198b0
145a03352b1309
152a20d2b9e970
hex150ce6c0543d

23145155155005 has 32 divisors (see below), whose sum is σ = 39883171810944. Its totient is φ = 11393883899136.

The previous prime is 23145155154959. The next prime is 23145155155061. The reversal of 23145155155005 is 50055155154132.

It is not a de Polignac number, because 23145155155005 - 221 = 23145153057853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8427 + ... + 6803703.

It is an arithmetic number, because the mean of its divisors is an integer number (1246349119092).

Almost surely, 223145155155005 is an apocalyptic number.

It is an amenable number.

23145155155005 is a deficient number, since it is larger than the sum of its proper divisors (16738016655939).

23145155155005 is a wasteful number, since it uses less digits than its factorization.

23145155155005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812765.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 23145155155005 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred fifty-five thousand, five".

Divisors: 1 3 5 13 15 39 65 195 17467 52401 87335 227071 262005 681213 1135355 3406065 6795277 20385831 33976385 88338601 101929155 265015803 441693005 1325079015 118693103359 356079310077 593465516795 1543010343667 1780396550385 4629031031001 7715051718335 23145155155005