Base | Representation |
---|---|
bin | 1101111011001011110010… |
… | …1111111010110110000000 |
3 | 2000012122220012101110200012 |
4 | 3132302330233322312000 |
5 | 4001321230102340334 |
6 | 52321303044244052 |
7 | 3140066505531131 |
oct | 336627457726600 |
9 | 60178805343605 |
10 | 15310430121344 |
11 | 4973131730376 |
12 | 18733200a0628 |
13 | 8709c8b95407 |
14 | 3ad058d41c88 |
15 | 1b83d58449ce |
hex | decbcbfad80 |
15310430121344 has 256 divisors, whose sum is σ = 32564917555200. Its totient is φ = 7159111680000.
The previous prime is 15310430121341. The next prime is 15310430121421. The reversal of 15310430121344 is 44312103401351.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a self number, because there is not a number n which added to its sum of digits gives 15310430121344.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15310430121341) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6665401604 + ... + 6665403900.
It is an arithmetic number, because the mean of its divisors is an integer number (127206709200).
Almost surely, 215310430121344 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 15310430121344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16282458777600).
15310430121344 is an abundant number, since it is smaller than the sum of its proper divisors (17254487433856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15310430121344 is a wasteful number, since it uses less digits than its factorization.
15310430121344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2873 (or 2861 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 32.
Adding to 15310430121344 its reverse (44312103401351), we get a palindrome (59622533522695).
The spelling of 15310430121344 in words is "fifteen trillion, three hundred ten billion, four hundred thirty million, one hundred twenty-one thousand, three hundred forty-four".
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