Base | Representation |
---|---|
bin | 111001011000000010… |
… | …1100011011101101111 |
3 | 102210000221121200222022 |
4 | 1302300011203131233 |
5 | 4004320103032122 |
6 | 132334201140355 |
7 | 11621225012165 |
oct | 1626005433557 |
9 | 383027550868 |
10 | 123213330287 |
11 | 48288792793 |
12 | 1ba67a8a6bb |
13 | b807b42538 |
14 | 5d6c001235 |
15 | 3312138642 |
hex | 1cb016376f |
123213330287 has 2 divisors, whose sum is σ = 123213330288. Its totient is φ = 123213330286.
The previous prime is 123213330277. The next prime is 123213330313. The reversal of 123213330287 is 782033312321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 123213330287 - 220 = 123212281711 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (123213330277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606665143 + 61606665144.
It is an arithmetic number, because the mean of its divisors is an integer number (61606665144).
Almost surely, 2123213330287 is an apocalyptic number.
123213330287 is a deficient number, since it is larger than the sum of its proper divisors (1).
123213330287 is an equidigital number, since it uses as much as digits as its factorization.
123213330287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 35.
The spelling of 123213330287 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred thirty thousand, two hundred eighty-seven".
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