Base | Representation |
---|---|
bin | 10011010101111111… |
… | …111001101100111100 |
3 | 1222121111201211121010 |
4 | 103111333321230330 |
5 | 320014130330422 |
6 | 13313000435220 |
7 | 1333463340345 |
oct | 232577715474 |
9 | 58544654533 |
10 | 20770167612 |
11 | 8899244387 |
12 | 4037a78b10 |
13 | 1c60113c0c |
14 | 10106c70cc |
15 | 81869db0c |
hex | 4d5ff9b3c |
20770167612 has 96 divisors (see below), whose sum is σ = 50301264384. Its totient is φ = 6667315200.
The previous prime is 20770167563. The next prime is 20770167643. The reversal of 20770167612 is 21676107702.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 6653412 + ... + 6656532.
It is an arithmetic number, because the mean of its divisors is an integer number (523971504).
Almost surely, 220770167612 is an apocalyptic number.
It is an amenable number.
20770167612 is an abundant number, since it is smaller than the sum of its proper divisors (29531096772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20770167612 is a wasteful number, since it uses less digits than its factorization.
20770167612 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3379 (or 3377 counting only the distinct ones).
The product of its (nonzero) digits is 49392, while the sum is 39.
The spelling of 20770167612 in words is "twenty billion, seven hundred seventy million, one hundred sixty-seven thousand, six hundred twelve".
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