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86739701540 = 2254336985077
BaseRepresentation
bin101000011001000010…
…1101100111100100100
322021220001001101102112
41100302011230330210
52410120330422130
6103503032500152
76160330204142
oct1206205547444
9267801041375
1086739701540
1133871333658
1214988b4a658
1382445309ab
1442abcd8592
1523ca01c495
hex143216cf24

86739701540 has 12 divisors (see below), whose sum is σ = 182153373276. Its totient is φ = 34695880608.

The previous prime is 86739701507. The next prime is 86739701551. The reversal of 86739701540 is 4510793768.

It can be written as a sum of positive squares in 2 ways, for example, as 16649257024 + 70090444516 = 129032^2 + 264746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168492519 + ... + 2168492558.

It is an arithmetic number, because the mean of its divisors is an integer number (15179447773).

Almost surely, 286739701540 is an apocalyptic number.

It is an amenable number.

86739701540 is an abundant number, since it is smaller than the sum of its proper divisors (95413671736).

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

86739701540 is a wasteful number, since it uses less digits than its factorization.

86739701540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336985086 (or 4336985084 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 86739701540 in words is "eighty-six billion, seven hundred thirty-nine million, seven hundred one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 4336985077 8673970154 17347940308 21684925385 43369850770 86739701540