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13672485648 = 2432109386869
BaseRepresentation
bin11001011101111000…
…11001001100010000
31022021212012020100100
430232330121030100
5211000124020043
610140412452400
7662550132123
oct145674311420
938255166310
1013672485648
115886841918
122796a7a100
13139b7c95c3
14939bc03ba
155504dbcd3
hex32ef19310

13672485648 has 60 divisors (see below), whose sum is σ = 38299419340. Its totient is φ = 4553273088.

The previous prime is 13672485623. The next prime is 13672485683. The reversal of 13672485648 is 84658427631.

It is a happy number.

13672485648 is a `hidden beast` number, since 1 + 3 + 6 + 72 + 4 + 8 + 564 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10102662144 + 3569823504 = 100512^2 + 59748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13672485594 and 13672485603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113958 + ... + 200826.

Almost surely, 213672485648 is an apocalyptic number.

13672485648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13672485648 is an abundant number, since it is smaller than the sum of its proper divisors (24626933692).

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

13672485648 is a wasteful number, since it uses less digits than its factorization.

13672485648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87976 (or 87967 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 13672485648 in words is "thirteen billion, six hundred seventy-two million, four hundred eighty-five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1093 2186 3279 4372 6558 8744 9837 13116 17488 19674 26232 39348 52464 78696 86869 157392 173738 260607 347476 521214 694952 781821 1042428 1389904 1563642 2084856 3127284 4169712 6254568 12509136 94947817 189895634 284843451 379791268 569686902 759582536 854530353 1139373804 1519165072 1709060706 2278747608 3418121412 4557495216 6836242824 13672485648