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86498589972 = 2237208215831
BaseRepresentation
bin101000010001110110…
…1111011110100010100
322021021020100122112110
41100203231323310110
52404122114334342
6103423100551020
76151341612024
oct1204355736424
9267236318473
1086498589972
11337582209a3
1214920252470
1382065b0c22
144287c93a84
1523b3c91c9c
hex1423b7bd14

86498589972 has 12 divisors (see below), whose sum is σ = 201830043296. Its totient is φ = 28832863320.

The previous prime is 86498589923. The next prime is 86498589997. The reversal of 86498589972 is 27998589468.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 86498589894 and 86498589903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3604107904 + ... + 3604107927.

Almost surely, 286498589972 is an apocalyptic number.

It is an amenable number.

86498589972 is an abundant number, since it is smaller than the sum of its proper divisors (115331453324).

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

86498589972 is a wasteful number, since it uses less digits than its factorization.

86498589972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208215838 (or 7208215836 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 75.

The spelling of 86498589972 in words is "eighty-six billion, four hundred ninety-eight million, five hundred eighty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 7208215831 14416431662 21624647493 28832863324 43249294986 86498589972