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86874344347868 = 22711534752750993
BaseRepresentation
bin10011110000001100000010…
…011011110101100011011100
3102101121002212102112111022022
4103300030002123311203130
542341322124123112433
6504433304533235312
724204315145013450
oct2360140233654334
9371532772474268
1086874344347868
11257542256361a0
1298b09b6192b38
1339622a566205c
141764a526b0660
15a09c038b8698
hex4f03026f58dc

86874344347868 has 48 divisors (see below), whose sum is σ = 189579476292864. Its totient is φ = 33840816387840.

The previous prime is 86874344347837. The next prime is 86874344347919.

86874344347868 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×868743443478682 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86874344347792 and 86874344347801.

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, 24728621 + ... + 28022372.

It is an arithmetic number, because the mean of its divisors is an integer number (3949572422768).

Almost surely, 286874344347868 is an apocalyptic number.

It is an amenable number.

86874344347868 is an abundant number, since it is smaller than the sum of its proper divisors (102705131944996).

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

86874344347868 is a wasteful number, since it uses less digits than its factorization.

86874344347868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52756362 (or 52756360 counting only the distinct ones).

The product of its digits is 16647192576, while the sum is 80.

The spelling of 86874344347868 in words is "eighty-six trillion, eight hundred seventy-four billion, three hundred forty-four million, three hundred forty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 5347 10694 21388 37429 58817 74858 117634 149716 235268 411719 823438 1646876 52750993 105501986 211003972 369256951 580260923 738513902 1160521846 1477027804 2321043692 4061826461 8123652922 16247305844 282059559571 564119119142 1128238238284 1974416916997 3102655155281 3948833833994 6205310310562 7897667667988 12410620621124 21718586086967 43437172173934 86874344347868