| Base | Representation |
|---|---|
| bin | 1001001111101100010… |
| … | …1001111001101000100 |
| 3 | 120011222020001212021000 |
| 4 | 2103323011033031010 |
| 5 | 10100241301324433 |
| 6 | 200544401253300 |
| 7 | 14321662402065 |
| oct | 2237305171504 |
| 9 | 504866055230 |
| 10 | 158831276868 |
| 11 | 613a612a180 |
| 12 | 26948334230 |
| 13 | 11c930a6684 |
| 14 | 798a60656c |
| 15 | 41e907e113 |
| hex | 24fb14f344 |
158831276868 has 384 divisors, whose sum is σ = 467841024000. Its totient is φ = 46193172480.
The previous prime is 158831276833. The next prime is 158831276869. The reversal of 158831276868 is 868672138851.
158831276868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.
Its product of digits (30965760) is a multiple of the sum of its prime divisors (504).
It is not an unprimeable number, because it can be changed into a prime (158831276869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 664565893 + ... + 664566131.
It is an arithmetic number, because the mean of its divisors is an integer number (1218336000).
Almost surely, 2158831276868 is an apocalyptic number.
158831276868 is a gapful number since it is divisible by the number (18) 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 158831276868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233920512000).
158831276868 is an abundant number, since it is smaller than the sum of its proper divisors (309009747132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158831276868 is a wasteful number, since it uses less digits than its factorization.
158831276868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 512 (or 504 counting only the distinct ones).
The product of its digits is 30965760, while the sum is 63.
The spelling of 158831276868 in words is "one hundred fifty-eight billion, eight hundred thirty-one million, two hundred seventy-six thousand, eight hundred sixty-eight".
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