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86734797829 = 6171171120047
BaseRepresentation
bin101000011000111001…
…0111111110000000101
322021212200211020210121
41100301302333300011
52410113102012304
6103502335421541
76160240421461
oct1206162776005
9267780736717
1086734797829
11338695943a9
12149873848b1
1382435049a4
1442ab3bd4a1
1523c989e554
hex1431cbfc05

86734797829 has 8 divisors (see below), whose sum is σ = 86950286208. Its totient is φ = 86519553120.

The previous prime is 86734797823. The next prime is 86734797883. The reversal of 86734797829 is 92879743768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86734797829 - 231 = 84587314181 is a prime.

It is a super-2 number, since 2×867347978292 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86734797823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662484 + ... + 782530.

It is an arithmetic number, because the mean of its divisors is an integer number (10868785776).

Almost surely, 286734797829 is an apocalyptic number.

It is an amenable number.

86734797829 is a deficient number, since it is larger than the sum of its proper divisors (215488379).

86734797829 is a wasteful number, since it uses less digits than its factorization.

86734797829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121835.

The product of its digits is 256048128, while the sum is 70.

The spelling of 86734797829 in words is "eighty-six billion, seven hundred thirty-four million, seven hundred ninety-seven thousand, eight hundred twenty-nine".

Divisors: 1 617 1171 120047 722507 74068999 140575037 86734797829