Base | Representation |
---|---|
bin | 10010101100001001… |
… | …111110111101011100 |
3 | 1220210120210112111120 |
4 | 102230021332331130 |
5 | 312044422330031 |
6 | 13115202250540 |
7 | 1310210416005 |
oct | 225411767534 |
9 | 56716715446 |
10 | 20068167516 |
11 | 8568a59311 |
12 | 3a80956a50 |
13 | 1b7a854347 |
14 | d8538c1ac |
15 | 7c6c33a96 |
hex | 4ac27ef5c |
20068167516 has 24 divisors (see below), whose sum is σ = 46875724560. Its totient is φ = 6682246272.
The previous prime is 20068167503. The next prime is 20068167521. The reversal of 20068167516 is 61576186002.
It is a super-2 number, since 2×200681675162 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881151 + ... + 903638.
It is an arithmetic number, because the mean of its divisors is an integer number (1953155190).
Almost surely, 220068167516 is an apocalyptic number.
It is an amenable number.
20068167516 is an abundant number, since it is smaller than the sum of its proper divisors (26807557044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20068167516 is a wasteful number, since it uses less digits than its factorization.
20068167516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1785733 (or 1785731 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 42.
The spelling of 20068167516 in words is "twenty billion, sixty-eight million, one hundred sixty-seven thousand, five hundred sixteen".
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