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13719390172 = 2217891917187
BaseRepresentation
bin11001100011011110…
…10100011111011100
31022102010110020020221
430301233110133130
5211044130441142
610145210051124
7663656615035
oct146157243734
938363406227
1013719390172
115900268994
1227aa719aa4
1313a843ca67
1494210da8c
155546a4767
hex331bd47dc

13719390172 has 12 divisors (see below), whose sum is σ = 24022365640. Its totient is φ = 6855857136.

The previous prime is 13719390169. The next prime is 13719390197. The reversal of 13719390172 is 27109391731.

It is a congruent number.

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, 951438 + ... + 965749.

Almost surely, 213719390172 is an apocalyptic number.

It is an amenable number.

13719390172 is a deficient number, since it is larger than the sum of its proper divisors (10302975468).

13719390172 is a wasteful number, since it uses less digits than its factorization.

13719390172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918980 (or 1918978 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 43.

The spelling of 13719390172 in words is "thirteen billion, seven hundred nineteen million, three hundred ninety thousand, one hundred seventy-two".

Divisors: 1 2 4 1789 3578 7156 1917187 3834374 7668748 3429847543 6859695086 13719390172