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13877638874756 = 228626940216181
BaseRepresentation
bin1100100111110010001110…
…1111000100011010000100
31211010200121111212202022222
43021330203233010122010
53304332401022443011
645303144351311512
72631424554062066
oct311744357043204
954120544782288
1013877638874756
1144705233a0198
1216816b521b598
1379886a842567
1435d977705736
15190ec89eeddb
hexc9f23bc4684

13877638874756 has 12 divisors (see below), whose sum is σ = 24286150147980. Its totient is φ = 6938738832480.

The previous prime is 13877638874753. The next prime is 13877638874761. The reversal of 13877638874756 is 65747883677831.

It can be written as a sum of positive squares in 2 ways, for example, as 3625155072256 + 10252483802500 = 1903984^2 + 3201950^2 .

It is not an unprimeable number, because it can be changed into a prime (13877638874753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19763015 + ... + 20453166.

It is an arithmetic number, because the mean of its divisors is an integer number (2023845845665).

Almost surely, 213877638874756 is an apocalyptic number.

It is an amenable number.

13877638874756 is a deficient number, since it is larger than the sum of its proper divisors (10408511273224).

13877638874756 is a wasteful number, since it uses less digits than its factorization.

13877638874756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40302454 (or 40302452 counting only the distinct ones).

The product of its digits is 7965941760, while the sum is 80.

The spelling of 13877638874756 in words is "thirteen trillion, eight hundred seventy-seven billion, six hundred thirty-eight million, eight hundred seventy-four thousand, seven hundred fifty-six".

Divisors: 1 2 4 86269 172538 345076 40216181 80432362 160864724 3469409718689 6938819437378 13877638874756