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53027780277892 = 2272270549899377
BaseRepresentation
bin11000000111010011111100…
…00000011011011010000100
320221202101222011220212200011
430003221332000123122010
523422301343222343032
6304440343112400004
714112062554224100
oct1403517600333204
9227671864825604
1053027780277892
1115994a56598812
125b451803a6004
13237866279c824
14d147b5c16900
1561e5931b7247
hex303a7e01b684

53027780277892 has 18 divisors (see below), whose sum is σ = 107949409851822. Its totient is φ = 22726191547584.

The previous prime is 53027780277847. The next prime is 53027780277893. The reversal of 53027780277892 is 29877208772035.

It can be written as a sum of positive squares in only one way, i.e., 35363193316416 + 17664586961476 = 5946696^2 + 4202926^2 .

It is a super-3 number, since 3×530277802778923 (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53027780277893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135274949493 + ... + 135274949884.

Almost surely, 253027780277892 is an apocalyptic number.

It is an amenable number.

53027780277892 is an abundant number, since it is smaller than the sum of its proper divisors (54921629573930).

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

53027780277892 is a wasteful number, since it uses less digits than its factorization.

53027780277892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270549899395 (or 270549899386 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 67.

The spelling of 53027780277892 in words is "fifty-three trillion, twenty-seven billion, seven hundred eighty million, two hundred seventy-seven thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 270549899377 541099798754 1082199597508 1893849295639 3787698591278 7575397182556 13256945069473 26513890138946 53027780277892