Base | Representation |
---|---|
bin | 100000100001010001… |
… | …1101010010010110000 |
3 | 20200020222222112111210 |
4 | 1001002203222102300 |
5 | 2121011021340024 |
6 | 52025434240120 |
7 | 5021414144040 |
oct | 1010243522260 |
9 | 220228875453 |
10 | 69836121264 |
11 | 276877405a8 |
12 | 1164bb86040 |
13 | 677c4c95a0 |
14 | 3546d57720 |
15 | 1c3b03e129 |
hex | 10428ea4b0 |
69836121264 has 80 divisors (see below), whose sum is σ = 222043066112. Its totient is φ = 18418316544.
The previous prime is 69836121253. The next prime is 69836121283. The reversal of 69836121264 is 46212163896.
It is a super-2 number, since 2×698361212642 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7989694 + ... + 7998429.
Almost surely, 269836121264 is an apocalyptic number.
It is an amenable number.
69836121264 is an abundant number, since it is smaller than the sum of its proper divisors (152206944848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69836121264 is a wasteful number, since it uses less digits than its factorization.
69836121264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15988154 (or 15988148 counting only the distinct ones).
The product of its digits is 746496, while the sum is 48.
The spelling of 69836121264 in words is "sixty-nine billion, eight hundred thirty-six million, one hundred twenty-one thousand, two hundred sixty-four".
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