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168679461143 = 1811782911897
BaseRepresentation
bin1001110100011000010…
…1000101000100010111
3121010101120011110100202
42131012011011010113
510230423420224033
6205253522131115
715121014522434
oct2350605050427
9533346143322
10168679461143
116559a181846
12288364b0a9b
1312ba24aa64b
14824252ab8b
1545c394e8e8
hex2746145117

168679461143 has 8 divisors (see below), whose sum is σ = 168808348080. Its totient is φ = 168550617280.

The previous prime is 168679461107. The next prime is 168679461169. The reversal of 168679461143 is 341164976861.

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 168679461143 - 222 = 168675266839 is a prime.

It is a super-2 number, since 2×1686794611432 (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 (168679466143) 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, 14172371 + ... + 14184267.

It is an arithmetic number, because the mean of its divisors is an integer number (21101043510).

Almost surely, 2168679461143 is an apocalyptic number.

168679461143 is a deficient number, since it is larger than the sum of its proper divisors (128886937).

168679461143 is a wasteful number, since it uses less digits than its factorization.

168679461143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21537.

The product of its digits is 5225472, while the sum is 56.

The spelling of 168679461143 in words is "one hundred sixty-eight billion, six hundred seventy-nine million, four hundred sixty-one thousand, one hundred forty-three".

Divisors: 1 1811 7829 11897 14178319 21545467 93141613 168679461143