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86729995071 = 3222974195327
BaseRepresentation
bin101000011000110000…
…0101011001100111111
322021212100210020122200
41100301200223030333
52410110334320241
6103502044442543
76160151536326
oct1206140531477
9267770706580
1086729995071
1133866903a85
1214985849453
138242512915
1442aa8cd0bd
1523c92514b6
hex143182b33f

86729995071 has 12 divisors (see below), whose sum is σ = 125331228672. Its totient is φ = 57794810976.

The previous prime is 86729995063. The next prime is 86729995091. The reversal of 86729995071 is 17059992768.

It is not a de Polignac number, because 86729995071 - 23 = 86729995063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86729995091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076991 + ... + 2118336.

It is an arithmetic number, because the mean of its divisors is an integer number (10444269056).

Almost surely, 286729995071 is an apocalyptic number.

86729995071 is a deficient number, since it is larger than the sum of its proper divisors (38601233601).

86729995071 is a wasteful number, since it uses less digits than its factorization.

86729995071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197630 (or 4197627 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 86729995071 in words is "eighty-six billion, seven hundred twenty-nine million, nine hundred ninety-five thousand, seventy-one".

Divisors: 1 3 9 2297 6891 20673 4195327 12585981 37757943 9636666119 28909998357 86729995071