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53004520252 = 22173929198391
BaseRepresentation
bin110001010111010100…
…001100101100111100
312001210222100121120201
4301113110030230330
51332023124122002
640203330453244
73554333663005
oct612724145474
9161728317521
1053004520252
112052a740642
12a333134224
134cc9377868
1427cb7921ac
1515a352d087
hexc5750cb3c

53004520252 has 24 divisors (see below), whose sum is σ = 98239750560. Its totient is φ = 24936829440.

The previous prime is 53004520243. The next prime is 53004520253. The reversal of 53004520252 is 25202540035.

53004520252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53004520252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53004520253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167977 + ... + 366367.

It is an arithmetic number, because the mean of its divisors is an integer number (4093322940).

Almost surely, 253004520252 is an apocalyptic number.

It is an amenable number.

53004520252 is a deficient number, since it is larger than the sum of its proper divisors (45235230308).

53004520252 is a wasteful number, since it uses less digits than its factorization.

53004520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202341 (or 202339 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 53004520252 in words is "fifty-three billion, four million, five hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 3929 7858 15716 66793 133586 198391 267172 396782 793564 3372647 6745294 13490588 779478239 1558956478 3117912956 13251130063 26502260126 53004520252