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11680638676 = 2272931464033
BaseRepresentation
bin10101110000011100…
…00110011011010100
31010011001011220222021
422320032012123110
5142410220414201
65211020342524
7562312535110
oct127016063324
933131156867
1011680638676
114a544637a3
12231b9a4a44
131141c48225
147cb448740
154856d9ea1
hex2b83866d4

11680638676 has 48 divisors (see below), whose sum is σ = 24946467840. Its totient is φ = 4677442560.

The previous prime is 11680638661. The next prime is 11680638689. The reversal of 11680638676 is 67683608611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206845 + ... + 257188.

It is an arithmetic number, because the mean of its divisors is an integer number (519718080).

Almost surely, 211680638676 is an apocalyptic number.

It is an amenable number.

11680638676 is an abundant number, since it is smaller than the sum of its proper divisors (13265829164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11680638676 is a wasteful number, since it uses less digits than its factorization.

11680638676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464104 (or 464102 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 11680638676 in words is "eleven billion, six hundred eighty million, six hundred thirty-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 29 31 58 62 116 124 203 217 406 434 812 868 899 1798 3596 6293 12586 25172 464033 928066 1856132 3248231 6496462 12992924 13456957 14385023 26913914 28770046 53827828 57540092 94198699 100695161 188397398 201390322 376794796 402780644 417165667 834331334 1668662668 2920159669 5840319338 11680638676