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20460625144105 = 517609232388269
BaseRepresentation
bin1001010011011110111000…
…10010110010100100101001
32200110000110010221021220011
410221233130102302210221
510140211330014102410
6111303251553331521
74211142236112106
oct451573422624451
980400403837804
1020460625144105
116579336539513
1223654a5b66ba1
13b55575a3c7c3
1450a429d23aad
15257363d1a18a
hex129bdc4b2929

20460625144105 has 8 divisors (see below), whose sum is σ = 24554144608200. Its totient is φ = 16367570491776.

The previous prime is 20460625144049. The next prime is 20460625144111. The reversal of 20460625144105 is 50144152606402.

It can be written as a sum of positive squares in 4 ways, for example, as 3382597785856 + 17078027358249 = 1839184^2 + 4132557^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20460625144105 - 29 = 20460625143593 is a prime.

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, 116106090 + ... + 116282179.

It is an arithmetic number, because the mean of its divisors is an integer number (3069268076025).

Almost surely, 220460625144105 is an apocalyptic number.

It is an amenable number.

20460625144105 is a deficient number, since it is larger than the sum of its proper divisors (4093519464095).

20460625144105 is a wasteful number, since it uses less digits than its factorization.

20460625144105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232405883.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 20460625144105 in words is "twenty trillion, four hundred sixty billion, six hundred twenty-five million, one hundred forty-four thousand, one hundred five".

Divisors: 1 5 17609 88045 232388269 1161941345 4092125028821 20460625144105