| Base | Representation |
|---|---|
| bin | 111010010001111100… |
| … | …0101000011100101000 |
| 3 | 102222001100021121211200 |
| 4 | 1310203320220130220 |
| 5 | 4022304430144010 |
| 6 | 133255041324200 |
| 7 | 12020325203400 |
| oct | 1644370503450 |
| 9 | 388040247750 |
| 10 | 125156099880 |
| 11 | 490953a0299 |
| 12 | 2030a636660 |
| 13 | ba5749c446 |
| 14 | 60b403d800 |
| 15 | 33c7993cc0 |
| hex | 1d23e28728 |
125156099880 has 576 divisors, whose sum is σ = 496109577600. Its totient is φ = 27232128000.
The previous prime is 125156099879. The next prime is 125156099881. The reversal of 125156099880 is 88990651521.
125156099880 is a `hidden beast` number, since 1 + 25 + 1 + 5 + 609 + 9 + 8 + 8 + 0 = 666.
125156099880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (125156099879) and next prime (125156099881).
It is not an unprimeable number, because it can be changed into a prime (125156099881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 101835106 + ... + 101836334.
It is an arithmetic number, because the mean of its divisors is an integer number (861301350).
Almost surely, 2125156099880 is an apocalyptic number.
125156099880 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 125156099880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248054788800).
125156099880 is an abundant number, since it is smaller than the sum of its proper divisors (370953477720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125156099880 is a wasteful number, since it uses less digits than its factorization.
125156099880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1534 (or 1520 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 54.
The spelling of 125156099880 in words is "one hundred twenty-five billion, one hundred fifty-six million, ninety-nine thousand, eight hundred eighty".
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