Base | Representation |
---|---|
bin | 11001011000000101… |
… | …11100010111011110 |
3 | 1022011110201100111200 |
4 | 30230002330113132 |
5 | 210400202332232 |
6 | 10131514500330 |
7 | 661416664233 |
oct | 145402742736 |
9 | 38143640450 |
10 | 13623870942 |
11 | 5861357980 |
12 | 27827346a6 |
13 | 13917078c6 |
14 | 93356778a |
15 | 54b0d777c |
hex | 32c0bc5de |
13623870942 has 24 divisors (see below), whose sum is σ = 32201877240. Its totient is φ = 4128445680.
The previous prime is 13623870893. The next prime is 13623870943. The reversal of 13623870942 is 24907832631.
13623870942 is a `hidden beast` number, since 13 + 623 + 8 + 7 + 0 + 9 + 4 + 2 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13623870943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34403517 + ... + 34403912.
It is an arithmetic number, because the mean of its divisors is an integer number (1341744885).
Almost surely, 213623870942 is an apocalyptic number.
13623870942 is an abundant number, since it is smaller than the sum of its proper divisors (18578006298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13623870942 is a wasteful number, since it uses less digits than its factorization.
13623870942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68807448 (or 68807445 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 13623870942 in words is "thirteen billion, six hundred twenty-three million, eight hundred seventy thousand, nine hundred forty-two".
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