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136884671 = 71161151193
BaseRepresentation
bin10000010100010…
…11000110111111
3100112120110110122
420022023012333
5240020302141
621325525155
73251333450
oct1012130677
9315513418
10136884671
11702a4530
1239a137bb
1322489361
1414273127
15c03d64b
hex828b1bf

136884671 has 32 divisors (see below), whose sum is σ = 175512576. Its totient is φ = 103680000.

The previous prime is 136884653. The next prime is 136884703. The reversal of 136884671 is 176488631.

136884671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 136884671 - 210 = 136883647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136884641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709151 + ... + 709343.

It is an arithmetic number, because the mean of its divisors is an integer number (5484768).

Almost surely, 2136884671 is an apocalyptic number.

136884671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136884671 is a deficient number, since it is larger than the sum of its proper divisors (38627905).

136884671 is a wasteful number, since it uses less digits than its factorization.

136884671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 193536, while the sum is 44.

The square root of 136884671 is about 11699.7722627408. The cubic root of 136884671 is about 515.3689767901.

The spelling of 136884671 in words is "one hundred thirty-six million, eight hundred eighty-four thousand, six hundred seventy-one".

Divisors: 1 7 11 61 77 151 193 427 671 1057 1351 1661 2123 4697 9211 11627 11773 14861 29143 64477 82411 101321 129503 204001 320573 709247 906521 1777723 2244011 12444061 19554953 136884671