Base | Representation |
---|---|
bin | 111001010100101111… |
… | …0000011001100001011 |
3 | 102202202012201100101111 |
4 | 1302221132003030023 |
5 | 4004103142424204 |
6 | 132315153431151 |
7 | 11615406244261 |
oct | 1625136031413 |
9 | 382665640344 |
10 | 123102311179 |
11 | 48231055461 |
12 | 1ba3686b4b7 |
13 | b7bab41363 |
14 | 5d5b382431 |
15 | 3307508d04 |
hex | 1ca978330b |
123102311179 has 2 divisors, whose sum is σ = 123102311180. Its totient is φ = 123102311178.
The previous prime is 123102311099. The next prime is 123102311219. The reversal of 123102311179 is 971113201321.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123102311179 is a prime.
It is a super-2 number, since 2×1231023111792 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123102311179.
It is not a weakly prime, because it can be changed into another prime (123102311879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551155589 + 61551155590.
It is an arithmetic number, because the mean of its divisors is an integer number (61551155590).
Almost surely, 2123102311179 is an apocalyptic number.
123102311179 is a deficient number, since it is larger than the sum of its proper divisors (1).
123102311179 is an equidigital number, since it uses as much as digits as its factorization.
123102311179 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2268, while the sum is 31.
It can be divided in two parts, 123102 and 311179, that added together give a square (434281 = 6592).
The spelling of 123102311179 in words is "one hundred twenty-three billion, one hundred two million, three hundred eleven thousand, one hundred seventy-nine".
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