Base | Representation |
---|---|
bin | 11001111011010001… |
… | …00111010010010110 |
3 | 1022221000222100212110 |
4 | 30331220213102112 |
5 | 212001223134432 |
6 | 10221055331450 |
7 | 1001632124433 |
oct | 147550472226 |
9 | 38830870773 |
10 | 13918958742 |
11 | 59a2986797 |
12 | 2845520b86 |
13 | 140a8a5880 |
14 | 96081cb8a |
15 | 566e75dcc |
hex | 33da27496 |
13918958742 has 16 divisors (see below), whose sum is σ = 29979295920. Its totient is φ = 4282756512.
The previous prime is 13918958723. The next prime is 13918958747. The reversal of 13918958742 is 24785981931.
It is a super-2 number, since 2×139189587422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13918958747) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89224017 + ... + 89224172.
It is an arithmetic number, because the mean of its divisors is an integer number (1873705995).
Almost surely, 213918958742 is an apocalyptic number.
13918958742 is an abundant number, since it is smaller than the sum of its proper divisors (16060337178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13918958742 is a wasteful number, since it uses less digits than its factorization.
13918958742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178448207.
The product of its digits is 4354560, while the sum is 57.
The spelling of 13918958742 in words is "thirteen billion, nine hundred eighteen million, nine hundred fifty-eight thousand, seven hundred forty-two".
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