Base | Representation |
---|---|
bin | 11001100011011100… |
… | …10111011101001100 |
3 | 1022102002222112022200 |
4 | 30301232113131030 |
5 | 211044044441142 |
6 | 10145200441500 |
7 | 663654524133 |
oct | 146156273514 |
9 | 38362875280 |
10 | 13719140172 |
11 | 5900108081 |
12 | 27aa619290 |
13 | 13a838302a |
14 | 94208691a |
15 | 55465564c |
hex | 331b9774c |
13719140172 has 36 divisors (see below), whose sum is σ = 34797322560. Its totient is φ = 4557435552.
The previous prime is 13719140147. The next prime is 13719140173. The reversal of 13719140172 is 27104191731.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13719140173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639772 + ... + 660867.
Almost surely, 213719140172 is an apocalyptic number.
13719140172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13719140172 is an abundant number, since it is smaller than the sum of its proper divisors (21078182388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13719140172 is a wasteful number, since it uses less digits than its factorization.
13719140172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1300942 (or 1300937 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 36.
The spelling of 13719140172 in words is "thirteen billion, seven hundred nineteen million, one hundred forty thousand, one hundred seventy-two".
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