Base | Representation |
---|---|
bin | 10010111100110010… |
… | …010111110110010011 |
3 | 1221112000211101022122 |
4 | 102330302113312103 |
5 | 313132340100200 |
6 | 13203010524455 |
7 | 1320136160420 |
oct | 227462276623 |
9 | 57460741278 |
10 | 20347190675 |
11 | 86a1505569 |
12 | 3b3a29672b |
13 | 1bc35b91c6 |
14 | db0460d47 |
15 | 7e149c385 |
hex | 4bcc97d93 |
20347190675 has 12 divisors (see below), whose sum is σ = 28834876176. Its totient is φ = 13952359200.
The previous prime is 20347190641. The next prime is 20347190681. The reversal of 20347190675 is 57609174302.
It is not a de Polignac number, because 20347190675 - 220 = 20346142099 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58134656 + ... + 58135005.
It is an arithmetic number, because the mean of its divisors is an integer number (2402906348).
Almost surely, 220347190675 is an apocalyptic number.
20347190675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20347190675 is a deficient number, since it is larger than the sum of its proper divisors (8487685501).
20347190675 is a wasteful number, since it uses less digits than its factorization.
20347190675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116269678 (or 116269673 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 44.
The spelling of 20347190675 in words is "twenty billion, three hundred forty-seven million, one hundred ninety thousand, six hundred seventy-five".
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