Base | Representation |
---|---|
bin | 101101110001100001101… |
… | …001001001110000000000 |
3 | 102010201020002020201000000 |
4 | 231301201221021300000 |
5 | 403014043341112324 |
6 | 10405014144000000 |
7 | 443154523604331 |
oct | 55614151116000 |
9 | 12121202221000 |
10 | 3145554238464 |
11 | 10030273aa440 |
12 | 429767900000 |
13 | 19a817016221 |
14 | ac36205a288 |
15 | 56c52d9a9c9 |
hex | 2dc61a49c00 |
3145554238464 has 308 divisors, whose sum is σ = 10284836507640. Its totient is φ = 953195765760.
The previous prime is 3145554238367. The next prime is 3145554238481. The reversal of 3145554238464 is 4648324555413.
It is a happy number.
3145554238464 is a `hidden beast` number, since 3 + 1 + 4 + 5 + 5 + 542 + 38 + 4 + 64 = 666.
It is a super-2 number, since 2×31455542384642 (a number of 26 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 3145554238464.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8019922 + ... + 8402990.
Almost surely, 23145554238464 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3145554238464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5142418253820).
3145554238464 is an abundant number, since it is smaller than the sum of its proper divisors (7139282269176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145554238464 is an equidigital number, since it uses as much as digits as its factorization.
3145554238464 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 383118 (or 383085 counting only the distinct ones).
The product of its digits is 27648000, while the sum is 54.
The spelling of 3145554238464 in words is "three trillion, one hundred forty-five billion, five hundred fifty-four million, two hundred thirty-eight thousand, four hundred sixty-four".
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