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56452715901 = 3220297309037
BaseRepresentation
bin110100100100110110…
…000001010101111101
312101201021202002202200
4310210312001111331
51411103343402101
641533425342113
74035644111361
oct644466012575
9171637662680
1056452715901
1121a3a0a500a
12ab35a97939
13542887670a
142a377072a1
151706105986
hexd24d8157d

56452715901 has 12 divisors (see below), whose sum is σ = 81547093212. Its totient is φ = 37633167936.

The previous prime is 56452715897. The next prime is 56452715909. The reversal of 56452715901 is 10951725465.

It is a happy number.

56452715901 is a `hidden beast` number, since 5 + 6 + 4 + 52 + 7 + 1 + 590 + 1 = 666.

56452715901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10074939876 + 46377776025 = 100374^2 + 215355^2 .

It is not a de Polignac number, because 56452715901 - 22 = 56452715897 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56452715909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28155 + ... + 337191.

It is an arithmetic number, because the mean of its divisors is an integer number (6795591101).

Almost surely, 256452715901 is an apocalyptic number.

It is an amenable number.

56452715901 is a deficient number, since it is larger than the sum of its proper divisors (25094377311).

56452715901 is a wasteful number, since it uses less digits than its factorization.

56452715901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329340 (or 329337 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 56452715901 in words is "fifty-six billion, four hundred fifty-two million, seven hundred fifteen thousand, nine hundred one".

Divisors: 1 3 9 20297 60891 182673 309037 927111 2781333 6272523989 18817571967 56452715901