Base | Representation |
---|---|
bin | 111001100000110101… |
… | …0000011111010111000 |
3 | 102210210111022012221112 |
4 | 1303001222003322320 |
5 | 4010421034104310 |
6 | 132423331255452 |
7 | 11631434432222 |
oct | 1630152037270 |
9 | 383714265845 |
10 | 123508113080 |
11 | 4841a123430 |
12 | 1bb2a74a588 |
13 | b853c34721 |
14 | 5d99217412 |
15 | 332ce66705 |
hex | 1cc1a83eb8 |
123508113080 has 256 divisors, whose sum is σ = 331075952640. Its totient is φ = 40996454400.
The previous prime is 123508113067. The next prime is 123508113083. The reversal of 123508113080 is 80311805321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123508113083) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22898864 + ... + 22904256.
It is an arithmetic number, because the mean of its divisors is an integer number (1293265440).
Almost surely, 2123508113080 is an apocalyptic number.
123508113080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123508113080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165537976320).
123508113080 is an abundant number, since it is smaller than the sum of its proper divisors (207567839560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123508113080 is a wasteful number, since it uses less digits than its factorization.
123508113080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5542 (or 5538 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 32.
The spelling of 123508113080 in words is "one hundred twenty-three billion, five hundred eight million, one hundred thirteen thousand, eighty".
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