Base | Representation |
---|---|
bin | 10011000011111100… |
… | …001110011111011001 |
3 | 1221211101200012202222 |
4 | 103003330032133121 |
5 | 313404101324142 |
6 | 13222535233425 |
7 | 1323124310465 |
oct | 230374163731 |
9 | 57741605688 |
10 | 20467214297 |
11 | 8753233042 |
12 | 3b72518875 |
13 | 1c12420aba |
14 | dc23854a5 |
15 | 7ebca9bd2 |
hex | 4c3f0e7d9 |
20467214297 has 2 divisors, whose sum is σ = 20467214298. Its totient is φ = 20467214296.
The previous prime is 20467214231. The next prime is 20467214303. The reversal of 20467214297 is 79241276402.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19175602576 + 1291611721 = 138476^2 + 35939^2 .
It is a cyclic number.
It is not a de Polignac number, because 20467214297 - 214 = 20467197913 is a prime.
It is a super-2 number, since 2×204672142972 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20467214197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233607148 + 10233607149.
It is an arithmetic number, because the mean of its divisors is an integer number (10233607149).
Almost surely, 220467214297 is an apocalyptic number.
It is an amenable number.
20467214297 is a deficient number, since it is larger than the sum of its proper divisors (1).
20467214297 is an equidigital number, since it uses as much as digits as its factorization.
20467214297 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 338688, while the sum is 44.
The spelling of 20467214297 in words is "twenty billion, four hundred sixty-seven million, two hundred fourteen thousand, two hundred ninety-seven".
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