Base | Representation |
---|---|
bin | 10010101110010011… |
… | …010101110100110111 |
3 | 1220220002112220100111 |
4 | 102232103111310313 |
5 | 312133132044103 |
6 | 13122530123451 |
7 | 1311125444551 |
oct | 225623256467 |
9 | 56802486314 |
10 | 20104174903 |
11 | 858731218a |
12 | 3a90a20587 |
13 | 1b851507a7 |
14 | d8a0824d1 |
15 | 7c9e9786d |
hex | 4ae4d5d37 |
20104174903 has 8 divisors (see below), whose sum is σ = 21273739776. Its totient is φ = 18959232600.
The previous prime is 20104174897. The next prime is 20104174907. The reversal of 20104174903 is 30947140102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20104174903 - 213 = 20104166711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20104174907) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153963 + ... + 6157228.
It is an arithmetic number, because the mean of its divisors is an integer number (2659217472).
Almost surely, 220104174903 is an apocalyptic number.
20104174903 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20104174903 is a deficient number, since it is larger than the sum of its proper divisors (1169564873).
20104174903 is a wasteful number, since it uses less digits than its factorization.
20104174903 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12311285.
The product of its (nonzero) digits is 6048, while the sum is 31.
The spelling of 20104174903 in words is "twenty billion, one hundred four million, one hundred seventy-four thousand, nine hundred three".
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