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52210388648 = 23111931226309
BaseRepresentation
bin110000100111111110…
…110100111010101000
311222202122001112211002
4300213332310322220
51323411324414043
635552441454132
73525551660345
oct604776647250
9158678045732
1052210388648
1120162448830
12a1511a1348
134c0099aac2
1427541137cc
151558964bb8
hexc27fb4ea8

52210388648 has 32 divisors (see below), whose sum is σ = 112414716000. Its totient is φ = 22482941760.

The previous prime is 52210388621. The next prime is 52210388653. The reversal of 52210388648 is 84688301225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15611483 + ... + 15614826.

It is an arithmetic number, because the mean of its divisors is an integer number (3512959875).

Almost surely, 252210388648 is an apocalyptic number.

It is an amenable number.

52210388648 is an abundant number, since it is smaller than the sum of its proper divisors (60204327352).

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

52210388648 is a wasteful number, since it uses less digits than its factorization.

52210388648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31226345 (or 31226341 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 52210388648 in words is "fifty-two billion, two hundred ten million, three hundred eighty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 31226309 62452618 124905236 249810472 343489399 593299871 686978798 1186599742 1373957596 2373199484 2747915192 4746398968 6526298581 13052597162 26105194324 52210388648