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11717068671 = 3271116907747
BaseRepresentation
bin10101110100110010…
…00100011101111111
31010020120201202112100
422322121010131333
5142444032144141
65214401240143
7563234304030
oct127231043577
933216652470
1011717068671
114a72a86130
122330033053
131149661b39
147d220ca87
154889d40b6
hex2ba64477f

11717068671 has 24 divisors (see below), whose sum is σ = 21100869504. Its totient is φ = 6086788560.

The previous prime is 11717068639. The next prime is 11717068697. The reversal of 11717068671 is 17686071711.

It is not a de Polignac number, because 11717068671 - 25 = 11717068639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717068471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8453181 + ... + 8454566.

It is an arithmetic number, because the mean of its divisors is an integer number (879202896).

Almost surely, 211717068671 is an apocalyptic number.

11717068671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11717068671 is a deficient number, since it is larger than the sum of its proper divisors (9383800833).

11717068671 is a wasteful number, since it uses less digits than its factorization.

11717068671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16907771 (or 16907768 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 45.

The spelling of 11717068671 in words is "eleven billion, seven hundred seventeen million, sixty-eight thousand, six hundred seventy-one".

Divisors: 1 3 7 9 11 21 33 63 77 99 231 693 16907747 50723241 118354229 152169723 185985217 355062687 557955651 1065188061 1301896519 1673866953 3905689557 11717068671