Base | Representation |
---|---|
bin | 110111111101001000… |
… | …0001001110001001001 |
3 | 102111011100020100122000 |
4 | 1233322100021301021 |
5 | 3432043114432210 |
6 | 131111342421213 |
7 | 11452512501060 |
oct | 1577220116111 |
9 | 374140210560 |
10 | 120162655305 |
11 | 46a627604a0 |
12 | 1b356291809 |
13 | b43cac7604 |
14 | 5b5cba71d7 |
15 | 31d43d4ac0 |
hex | 1bfa409c49 |
120162655305 has 128 divisors (see below), whose sum is σ = 269545328640. Its totient is φ = 49335713280.
The previous prime is 120162655303. The next prime is 120162655337. The reversal of 120162655305 is 503556261021.
120162655305 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 62 + 65 + 530 + 5 = 666.
It is not a de Polignac number, because 120162655305 - 21 = 120162655303 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 120162655305.
It is not an unprimeable number, because it can be changed into a prime (120162655303) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 793149 + ... + 932421.
It is an arithmetic number, because the mean of its divisors is an integer number (2105822880).
Almost surely, 2120162655305 is an apocalyptic number.
120162655305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120162655305 is an abundant number, since it is smaller than the sum of its proper divisors (149382673335).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120162655305 is a wasteful number, since it uses less digits than its factorization.
120162655305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139388 (or 139382 counting only the distinct ones).
The product of its (nonzero) digits is 54000, while the sum is 36.
The spelling of 120162655305 in words is "one hundred twenty billion, one hundred sixty-two million, six hundred fifty-five thousand, three hundred five".
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