Base | Representation |
---|---|
bin | 101000011111111010… |
… | …1111011101110010100 |
3 | 22022111010020120010220 |
4 | 1100333311323232110 |
5 | 2411103413330123 |
6 | 103541554314340 |
7 | 6166131421506 |
oct | 1207765735624 |
9 | 268433216126 |
10 | 86970448788 |
11 | 3397a607463 |
12 | 14a322889b0 |
13 | 8280292122 |
14 | 42d0801d76 |
15 | 23e03ebce3 |
hex | 143fd7bb94 |
86970448788 has 24 divisors (see below), whose sum is σ = 209477210880. Its totient is φ = 28054983360.
The previous prime is 86970448783. The next prime is 86970448813. The reversal of 86970448788 is 88784407968.
It is a super-2 number, since 2×869704487882 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86970448781) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116895393 + ... + 116896136.
It is an arithmetic number, because the mean of its divisors is an integer number (8728217120).
Almost surely, 286970448788 is an apocalyptic number.
It is an amenable number.
86970448788 is an abundant number, since it is smaller than the sum of its proper divisors (122506762092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86970448788 is a wasteful number, since it uses less digits than its factorization.
86970448788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233791567 (or 233791565 counting only the distinct ones).
The product of its (nonzero) digits is 173408256, while the sum is 69.
The spelling of 86970448788 in words is "eighty-six billion, nine hundred seventy million, four hundred forty-eight thousand, seven hundred eighty-eight".
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