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53190438252 = 223741846121
BaseRepresentation
bin110001100010011001…
…011010110101101100
312002021221012020010120
4301202121122311230
51332413223011002
640234011404540
73562052160000
oct614231326554
9162257166116
1053190438252
1120615685586
12a385453750
135028a41303
14280834a700
1515b4a04cbc
hexc6265ad6c

53190438252 has 60 divisors (see below), whose sum is σ = 144787656216. Its totient is φ = 15197259840.

The previous prime is 53190438251. The next prime is 53190438263. The reversal of 53190438252 is 25283409135.

53190438252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (53190438251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 894249 + ... + 951872.

Almost surely, 253190438252 is an apocalyptic number.

It is an amenable number.

53190438252 is an abundant number, since it is smaller than the sum of its proper divisors (91597217964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53190438252 is a wasteful number, since it uses less digits than its factorization.

53190438252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846156 (or 1846133 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 53190438252 in words is "fifty-three billion, one hundred ninety million, four hundred thirty-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 343 588 686 1029 1372 2058 2401 4116 4802 7203 9604 14406 28812 1846121 3692242 5538363 7384484 11076726 12922847 22153452 25845694 38768541 51691388 77537082 90459929 155074164 180919858 271379787 361839716 542759574 633219503 1085519148 1266439006 1899658509 2532878012 3799317018 4432536521 7598634036 8865073042 13297609563 17730146084 26595219126 53190438252