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68937438135036 = 223171971715373697
BaseRepresentation
bin11111010110010101111111…
…00000110000001011111100
3100001002100120121000022111210
433223022333200300023330
533013432333130310121
6402341231043044420
720343364660555152
oct1753127740601374
9301070517008453
1068937438135036
111aa692266a50a9
127894654670710
132c60a07300a73
1413048386133d2
157e834ab80876
hex3eb2bf8302fc

68937438135036 has 48 divisors (see below), whose sum is σ = 171180572070816. Its totient is φ = 21517647642624.

The previous prime is 68937438135023. The next prime is 68937438135067. The reversal of 68937438135036 is 63053183473986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857646661 + ... + 857727036.

It is an arithmetic number, because the mean of its divisors is an integer number (3566261918142).

Almost surely, 268937438135036 is an apocalyptic number.

It is an amenable number.

68937438135036 is an abundant number, since it is smaller than the sum of its proper divisors (102243133935780).

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

68937438135036 is a wasteful number, since it uses less digits than its factorization.

68937438135036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715373918 (or 1715373916 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 66.

The spelling of 68937438135036 in words is "sixty-eight trillion, nine hundred thirty-seven billion, four hundred thirty-eight million, one hundred thirty-five thousand, thirty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 197 204 394 591 788 1182 2364 3349 6698 10047 13396 20094 40188 1715373697 3430747394 5146121091 6861494788 10292242182 20584484364 29161352849 58322705698 87484058547 116645411396 174968117094 337928618309 349936234188 675857236618 1013785854927 1351714473236 2027571709854 4055143419708 5744786511253 11489573022506 17234359533759 22979146045012 34468719067518 68937438135036