Base | Representation |
---|---|
bin | 11111110010000000010101… |
… | …10010100110110100110000 |
3 | 100011110012212010202201201000 |
4 | 33321000022302212310300 |
5 | 33130020344023111041 |
6 | 404350015233042000 |
7 | 20502143015566404 |
oct | 1771001262466460 |
9 | 304405763681630 |
10 | 69887888878896 |
11 | 202a5318331530 |
12 | 7a088a86b6300 |
13 | 2ccc52702701a |
14 | 133884013d104 |
15 | 812e273dabb6 |
hex | 3f900aca6d30 |
69887888878896 has 160 divisors (see below), whose sum is σ = 222107146732800. Its totient is φ = 20862056286720.
The previous prime is 69887888878849. The next prime is 69887888878901.
69887888878896 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (108).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109435701 + ... + 110072468.
It is an arithmetic number, because the mean of its divisors is an integer number (1388169667080).
Almost surely, 269887888878896 is an apocalyptic number.
69887888878896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
It is an amenable number.
69887888878896 is an abundant number, since it is smaller than the sum of its proper divisors (152219257853904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69887888878896 is a wasteful number, since it uses less digits than its factorization.
69887888878896 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219508264 (or 219508252 counting only the distinct ones).
The product of its digits is 2397195730944, while the sum is 108.
The spelling of 69887888878896 in words is "sixty-nine trillion, eight hundred eighty-seven billion, eight hundred eighty-eight million, eight hundred seventy-eight thousand, eight hundred ninety-six".
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