Base | Representation |
---|---|
bin | 111111010000010… |
… | …1011001111111011 |
3 | 12110220211220201212 |
4 | 1332200223033323 |
5 | 13321324314341 |
6 | 550340233335 |
7 | 103411623662 |
oct | 17640531773 |
9 | 5426756655 |
10 | 2122494971 |
11 | 99a102983 |
12 | 4b299b84b |
13 | 27a965aac |
14 | 161c63dd9 |
15 | c650c5eb |
hex | 7e82b3fb |
2122494971 has 2 divisors, whose sum is σ = 2122494972. Its totient is φ = 2122494970.
The previous prime is 2122494967. The next prime is 2122494977. The reversal of 2122494971 is 1794942212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2122494971 - 22 = 2122494967 is a prime.
It is not a weakly prime, because it can be changed into another prime (2122494977) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061247485 + 1061247486.
It is an arithmetic number, because the mean of its divisors is an integer number (1061247486).
Almost surely, 22122494971 is an apocalyptic number.
2122494971 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122494971 is an equidigital number, since it uses as much as digits as its factorization.
2122494971 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 41.
The square root of 2122494971 is about 46070.5434198469. The cubic root of 2122494971 is about 1285.1354096329.
The spelling of 2122494971 in words is "two billion, one hundred twenty-two million, four hundred ninety-four thousand, nine hundred seventy-one".
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