Base | Representation |
---|---|
bin | 11011001000101101… |
… | …100011111101101001 |
3 | 2210012121202122121101 |
4 | 123020231203331221 |
5 | 434133110101021 |
6 | 21215131041401 |
7 | 2051022015010 |
oct | 331055437551 |
9 | 83177678541 |
10 | 29137190761 |
11 | 113a2203748 |
12 | 5791ba0261 |
13 | 29946c06a3 |
14 | 15a5a0da77 |
15 | b57ee6a91 |
hex | 6c8b63f69 |
29137190761 has 4 divisors (see below), whose sum is σ = 33299646592. Its totient is φ = 24974734932.
The previous prime is 29137190759. The next prime is 29137190807. The reversal of 29137190761 is 16709173192.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 29137190761 - 21 = 29137190759 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29137190161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2081227905 + ... + 2081227918.
It is an arithmetic number, because the mean of its divisors is an integer number (8324911648).
Almost surely, 229137190761 is an apocalyptic number.
It is an amenable number.
29137190761 is a deficient number, since it is larger than the sum of its proper divisors (4162455831).
29137190761 is an equidigital number, since it uses as much as digits as its factorization.
29137190761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4162455830.
The product of its (nonzero) digits is 142884, while the sum is 46.
The spelling of 29137190761 in words is "twenty-nine billion, one hundred thirty-seven million, one hundred ninety thousand, seven hundred sixty-one".
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