Base | Representation |
---|---|
bin | 11100001000111010… |
… | …10001001100001101 |
3 | 1102222211210121011022 |
4 | 32010131101030031 |
5 | 221414413320424 |
6 | 10535023003525 |
7 | 1043240541425 |
oct | 160435211415 |
9 | 42884717138 |
10 | 15107166989 |
11 | 6452669182 |
12 | 2b174395a5 |
13 | 1569acba85 |
14 | a3455d485 |
15 | 5d643295e |
hex | 38475130d |
15107166989 has 8 divisors (see below), whose sum is σ = 15316480632. Its totient is φ = 14897917440.
The previous prime is 15107166983. The next prime is 15107167001. The reversal of 15107166989 is 98966170151.
It can be written as a sum of positive squares in 4 ways, for example, as 3543820900 + 11563346089 = 59530^2 + 107533^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15107166989 - 232 = 10812199693 is a prime.
It is a super-2 number, since 2×151071669892 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 15107166989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15107166983) 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, 646469 + ... + 669429.
It is an arithmetic number, because the mean of its divisors is an integer number (1914560079).
Almost surely, 215107166989 is an apocalyptic number.
It is an amenable number.
15107166989 is a deficient number, since it is larger than the sum of its proper divisors (209313643).
15107166989 is an equidigital number, since it uses as much as digits as its factorization.
15107166989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32047.
The product of its (nonzero) digits is 816480, while the sum is 53.
The spelling of 15107166989 in words is "fifteen billion, one hundred seven million, one hundred sixty-six thousand, nine hundred eighty-nine".
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