| Base | Representation |
|---|---|
| bin | 11100110110010010101111… |
| … | …00110100110101000000000 |
| 3 | 22022121121220211011020000000 |
| 4 | 32123021113212212220000 |
| 5 | 31303332300443340032 |
| 6 | 342531024440000000 |
| 7 | 16235153110615200 |
| oct | 1633112746465000 |
| 9 | 268547824136000 |
| 10 | 63438136699392 |
| 11 | 19238a65379964 |
| 12 | 714689b760000 |
| 13 | 2952262a47830 |
| 14 | 11945ca72a400 |
| 15 | 750288d17e7c |
| hex | 39b2579a6a00 |
63438136699392 has 3840 divisors, whose sum is σ = 260480928153600. Its totient is φ = 15237476352000.
The previous prime is 63438136699387. The next prime is 63438136699393. The reversal of 63438136699392 is 29399663183436.
63438136699392 is a `hidden beast` number, since 6 + 3 + 43 + 8 + 136 + 69 + 9 + 392 = 666.
It is a super-2 number, since 2×634381366993922 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 63438136699392.
It is not an unprimeable number, because it can be changed into a prime (63438136699393) by changing a digit.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 420120110517 + ... + 420120110667.
It is an arithmetic number, because the mean of its divisors is an integer number (67833575040).
Almost surely, 263438136699392 is an apocalyptic number.
63438136699392 is a gapful number since it is divisible by the number (62) 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 63438136699392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130240464076800).
63438136699392 is an abundant number, since it is smaller than the sum of its proper divisors (197042791454208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63438136699392 is a wasteful number, since it uses less digits than its factorization.
63438136699392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267 (or 226 counting only the distinct ones).
The product of its digits is 816293376, while the sum is 72.
The spelling of 63438136699392 in words is "sixty-three trillion, four hundred thirty-eight billion, one hundred thirty-six million, six hundred ninety-nine thousand, three hundred ninety-two".
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