| Base | Representation |
|---|---|
| bin | 1001001110001100010… |
| … | …1000100001101110000 |
| 3 | 120010221011022200012000 |
| 4 | 2103203011010031300 |
| 5 | 10043430204004142 |
| 6 | 200440414134000 |
| 7 | 14306002461630 |
| oct | 2234305041560 |
| 9 | 503834280160 |
| 10 | 158428578672 |
| 11 | 61209891051 |
| 12 | 268554b1300 |
| 13 | 11c2a82bc10 |
| 14 | 794cd3c6c0 |
| 15 | 41c3a3614c |
| hex | 24e3144370 |
158428578672 has 640 divisors, whose sum is σ = 586202480640. Its totient is φ = 39844224000.
The previous prime is 158428578667. The next prime is 158428578677. The reversal of 158428578672 is 276875824851.
158428578672 is a `hidden beast` number, since 1 + 58 + 4 + 2 + 8 + 578 + 6 + 7 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (158428578667) and next prime (158428578677).
It is a super-2 number, since 2×1584285786722 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (158428578677) 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, 86524797 + ... + 86526627.
It is an arithmetic number, because the mean of its divisors is an integer number (915941376).
Almost surely, 2158428578672 is an apocalyptic number.
158428578672 is a gapful number since it is divisible by the number (12) 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 158428578672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293101240320).
158428578672 is an abundant number, since it is smaller than the sum of its proper divisors (427773901968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158428578672 is a wasteful number, since it uses less digits than its factorization.
158428578672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1970 (or 1958 counting only the distinct ones).
The product of its digits is 60211200, while the sum is 63.
The spelling of 158428578672 in words is "one hundred fifty-eight billion, four hundred twenty-eight million, five hundred seventy-eight thousand, six hundred seventy-two".
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