Base | Representation |
---|---|
bin | 1101111000101111001011… |
… | …1110000101100100011101 |
3 | 2000001122101100201201212201 |
4 | 3132023302332011210131 |
5 | 4000124130333210442 |
6 | 52250111313331501 |
7 | 3134050640523412 |
oct | 336136276054435 |
9 | 60048340651781 |
10 | 15268390131997 |
11 | 4957319202122 |
12 | 1867148b66b91 |
13 | 869a592a6a82 |
14 | 3aadcb86a109 |
15 | 1b7274beb7b7 |
hex | de2f2f8591d |
15268390131997 has 8 divisors (see below), whose sum is σ = 16004529192960. Its totient is φ = 14549571990240.
The previous prime is 15268390131931. The next prime is 15268390132003. The reversal of 15268390131997 is 79913109386251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15268390131997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15268390134997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330227997 + ... + 4330231522.
It is an arithmetic number, because the mean of its divisors is an integer number (2000566149120).
Almost surely, 215268390131997 is an apocalyptic number.
It is an amenable number.
15268390131997 is a deficient number, since it is larger than the sum of its proper divisors (736139060963).
15268390131997 is an equidigital number, since it uses as much as digits as its factorization.
15268390131997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8660459603.
The product of its (nonzero) digits is 22044960, while the sum is 64.
The spelling of 15268390131997 in words is "fifteen trillion, two hundred sixty-eight billion, three hundred ninety million, one hundred thirty-one thousand, nine hundred ninety-seven".
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