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5272587785 = 510919749109
BaseRepresentation
bin1001110100100010…
…10100111000001001
3111121110022012201002
410322101110320021
541244240302120
62231105504345
7244442154023
oct47221247011
914543265632
105272587785
112266269273
1210319420b5
1366047c53a
1438037b013
1520cd4d375
hex13a454e09

5272587785 has 16 divisors (see below), whose sum is σ = 6417694800. Its totient is φ = 4158072576.

The previous prime is 5272587779. The next prime is 5272587809. The reversal of 5272587785 is 5877852725.

It can be written as a sum of positive squares in 8 ways, for example, as 136142224 + 5136445561 = 11668^2 + 71669^2 .

It is a cyclic number.

It is not a de Polignac number, because 5272587785 - 26 = 5272587721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5272587785.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82811 + ... + 131919.

It is an arithmetic number, because the mean of its divisors is an integer number (401105925).

Almost surely, 25272587785 is an apocalyptic number.

It is an amenable number.

5272587785 is a deficient number, since it is larger than the sum of its proper divisors (1145107015).

5272587785 is a wasteful number, since it uses less digits than its factorization.

5272587785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49420.

The product of its digits is 10976000, while the sum is 56.

The square root of 5272587785 is about 72612.5869598378. The cubic root of 5272587785 is about 1740.5023195201.

The spelling of 5272587785 in words is "five billion, two hundred seventy-two million, five hundred eighty-seven thousand, seven hundred eighty-five".

Divisors: 1 5 109 197 545 985 21473 49109 107365 245545 5352881 9674473 26764405 48372365 1054517557 5272587785