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53005257807 = 3383145131793
BaseRepresentation
bin110001010111010111…
…000000110001001111
312001211000202002022120
4301113113000301033
51332023321222212
640203354344023
73554343154215
oct612727006117
9161730662276
1053005257807
11205300a4797
12a33342b013
134cc9575498
1427cb904cb5
1515a362688c
hexc575c0c4f

53005257807 has 16 divisors (see below), whose sum is σ = 70909267968. Its totient is φ = 35219177600.

The previous prime is 53005257803. The next prime is 53005257857. The reversal of 53005257807 is 70875250035.

53005257807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53005257807 - 22 = 53005257803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005257803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651303 + ... + 1683095.

It is an arithmetic number, because the mean of its divisors is an integer number (4431829248).

Almost surely, 253005257807 is an apocalyptic number.

53005257807 is a deficient number, since it is larger than the sum of its proper divisors (17904010161).

53005257807 is a wasteful number, since it uses less digits than its factorization.

53005257807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 53005257807 in words is "fifty-three billion, five million, two hundred fifty-seven thousand, eight hundred seven".

Divisors: 1 3 383 1149 1451 4353 31793 95379 555733 1667199 12176719 36530157 46131643 138394929 17668419269 53005257807