| Base | Representation |
|---|---|
| bin | 10001111001111000110… |
| … | …101101101011000000000 |
| 3 | 11100121211212002001102000 |
| 4 | 101321320311231120000 |
| 5 | 130124313311221224 |
| 6 | 2341122112424000 |
| 7 | 154615106242050 |
| oct | 21717065553000 |
| 9 | 4317755061360 |
| 10 | 1230387992064 |
| 11 | 434893a44320 |
| 12 | 17a55a548000 |
| 13 | 8c0431788ba |
| 14 | 437a02cd560 |
| 15 | 220129050c9 |
| hex | 11e78d6d600 |
1230387992064 has 640 divisors, whose sum is σ = 4558658227200. Its totient is φ = 318319165440.
The previous prime is 1230387992059. The next prime is 1230387992077. The reversal of 1230387992064 is 4602997830321.
1230387992064 is a `hidden beast` number, since 1 + 230 + 387 + 9 + 9 + 20 + 6 + 4 = 666.
It is a super-2 number, since 2×12303879920642 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 1230387992064.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 286334364 + ... + 286338660.
It is an arithmetic number, because the mean of its divisors is an integer number (7122903480).
Almost surely, 21230387992064 is an apocalyptic number.
1230387992064 is a gapful number since it is divisible by the number (14) 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 1230387992064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279329113600).
1230387992064 is an abundant number, since it is smaller than the sum of its proper divisors (3328270235136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230387992064 is a wasteful number, since it uses less digits than its factorization.
1230387992064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4611 (or 4589 counting only the distinct ones).
The product of its (nonzero) digits is 3919104, while the sum is 54.
The spelling of 1230387992064 in words is "one trillion, two hundred thirty billion, three hundred eighty-seven million, nine hundred ninety-two thousand, sixty-four".
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