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20455725704713 = 1313099120124999
BaseRepresentation
bin1001010011010101110000…
…10000111010011000001001
32200102112210200202222112221
410221222320100322120021
510140121311240022323
6111301121453334041
74210606644423205
oct451527020723011
980375720688487
1020455725704713
116577251976152
122364559197321
13b54c7498c940
1450a0c335bb05
15257178b2955d
hex129ab843a609

20455725704713 has 8 divisors (see below), whose sum is σ = 22030925000000. Its totient is φ = 18880766685648.

The previous prime is 20455725704683. The next prime is 20455725704747. The reversal of 20455725704713 is 31740752755402.

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 20455725704713 - 25 = 20455725704681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20455725704773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59892213 + ... + 60232786.

It is an arithmetic number, because the mean of its divisors is an integer number (2753865625000).

Almost surely, 220455725704713 is an apocalyptic number.

It is an amenable number.

20455725704713 is a deficient number, since it is larger than the sum of its proper divisors (1575199295287).

20455725704713 is a wasteful number, since it uses less digits than its factorization.

20455725704713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120138111.

The product of its (nonzero) digits is 8232000, while the sum is 52.

The spelling of 20455725704713 in words is "twenty trillion, four hundred fifty-five billion, seven hundred twenty-five million, seven hundred four thousand, seven hundred thirteen".

Divisors: 1 13 13099 170287 120124999 1561624987 1573517361901 20455725704713