Base | Representation |
---|---|
bin | 100000010111101011… |
… | …0010111111010001010 |
3 | 20122102112121112020022 |
4 | 1000233112113322022 |
5 | 2114331022332421 |
6 | 51533443300442 |
7 | 5010422103620 |
oct | 1005726277212 |
9 | 218375545208 |
10 | 69513870986 |
11 | 2753184a15a |
12 | 1158007a722 |
13 | 672a80b051 |
14 | 3516231510 |
15 | 1c1cad77ab |
hex | 102f597e8a |
69513870986 has 16 divisors (see below), whose sum is σ = 123275831040. Its totient is φ = 28764360240.
The previous prime is 69513870973. The next prime is 69513871001. The reversal of 69513870986 is 68907831596.
It is a happy number.
It is a super-2 number, since 2×695138709862 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 85607810 + ... + 85608621.
It is an arithmetic number, because the mean of its divisors is an integer number (7704739440).
Almost surely, 269513870986 is an apocalyptic number.
69513870986 is a deficient number, since it is larger than the sum of its proper divisors (53761960054).
69513870986 is a wasteful number, since it uses less digits than its factorization.
69513870986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171216469.
The product of its (nonzero) digits is 19595520, while the sum is 62.
The spelling of 69513870986 in words is "sixty-nine billion, five hundred thirteen million, eight hundred seventy thousand, nine hundred eighty-six".
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