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13381674144 = 253139392439
BaseRepresentation
bin11000111011001110…
…00010010010100000
31021112120222110221220
430131213002102200
5204401202033034
610051503415040
7652416232146
oct143547022240
937476873856
1013381674144
115747673933
1227155b4480
131353497ba7
1490d31d596
15534be5749
hex31d9c24a0

13381674144 has 24 divisors (see below), whose sum is σ = 35126894880. Its totient is φ = 4460558016.

The previous prime is 13381674139. The next prime is 13381674157. The reversal of 13381674144 is 44147618331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 13381674096 and 13381674105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69696124 + ... + 69696315.

It is an arithmetic number, because the mean of its divisors is an integer number (1463620620).

Almost surely, 213381674144 is an apocalyptic number.

It is an amenable number.

13381674144 is an abundant number, since it is smaller than the sum of its proper divisors (21745220736).

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

13381674144 is a wasteful number, since it uses less digits than its factorization.

13381674144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139392452 (or 139392444 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The spelling of 13381674144 in words is "thirteen billion, three hundred eighty-one million, six hundred seventy-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 139392439 278784878 418177317 557569756 836354634 1115139512 1672709268 2230279024 3345418536 4460558048 6690837072 13381674144