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11685142344 = 2333863126037
BaseRepresentation
bin10101110000111110…
…10001111101001000
31010011100122201211210
422320133101331020
5142412344023334
65211301053120
7562366033251
oct127037217510
933140581753
1011685142344
114a56a5a437
1223213b71a0
131142b64115
147cbc9bb28
15485cc95e9
hex2b87d1f48

11685142344 has 32 divisors (see below), whose sum is σ = 29220649920. Its totient is φ = 3894008256.

The previous prime is 11685142333. The next prime is 11685142349. The reversal of 11685142344 is 44324158611.

It is not an unprimeable number, because it can be changed into a prime (11685142349) 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, 29694 + ... + 155730.

It is an arithmetic number, because the mean of its divisors is an integer number (913145310).

Almost surely, 211685142344 is an apocalyptic number.

It is an amenable number.

11685142344 is an abundant number, since it is smaller than the sum of its proper divisors (17535507576).

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

11685142344 is a wasteful number, since it uses less digits than its factorization.

11685142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129909 (or 129905 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The spelling of 11685142344 in words is "eleven billion, six hundred eighty-five million, one hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 3863 7726 11589 15452 23178 30904 46356 92712 126037 252074 378111 504148 756222 1008296 1512444 3024888 486880931 973761862 1460642793 1947523724 2921285586 3895047448 5842571172 11685142344