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168472683171 = 32131439937463
BaseRepresentation
bin1001110011100111000…
…0010010001010100011
3121002212011002001022100
42130321300102022203
510230013001330141
6205221214141443
715112624115262
oct2347160221243
9532764061270
10168472683171
11654a348a461
12287991b1883
1312b6b6bc210
148222ca25d9
1545b07070b6
hex2739c122a3

168472683171 has 12 divisors (see below), whose sum is σ = 262068618448. Its totient is φ = 103675497264.

The previous prime is 168472683149. The next prime is 168472683191. The reversal of 168472683171 is 171386274861.

168472683171 is a `hidden beast` number, since 1 + 68 + 4 + 7 + 268 + 317 + 1 = 666.

It is not a de Polignac number, because 168472683171 - 217 = 168472552099 is a prime.

It is a super-2 number, since 2×1684726831712 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168472683191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 719968615 + ... + 719968848.

Almost surely, 2168472683171 is an apocalyptic number.

168472683171 is a deficient number, since it is larger than the sum of its proper divisors (93595935277).

168472683171 is a wasteful number, since it uses less digits than its factorization.

168472683171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439937482 (or 1439937479 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 168472683171 in words is "one hundred sixty-eight billion, four hundred seventy-two million, six hundred eighty-three thousand, one hundred seventy-one".

Divisors: 1 3 9 13 39 117 1439937463 4319812389 12959437167 18719187019 56157561057 168472683171