Base | Representation |
---|---|
bin | 11011111100010001… |
… | …01011001011010011 |
3 | 1102201110020002121110 |
4 | 31332020223023103 |
5 | 221210240330412 |
6 | 10520313424403 |
7 | 1040512201212 |
oct | 157610531323 |
9 | 42643202543 |
10 | 15001105107 |
11 | 63a880732a |
12 | 2aa7a0b103 |
13 | 1550b45071 |
14 | a24431079 |
15 | 5cbe81d3c |
hex | 37e22b2d3 |
15001105107 has 16 divisors (see below), whose sum is σ = 20383293600. Its totient is φ = 9809908992.
The previous prime is 15001105033. The next prime is 15001105151. The reversal of 15001105107 is 70150110051.
It is a happy number.
It is not a de Polignac number, because 15001105107 - 220 = 15000056531 is a prime.
It is a super-2 number, since 2×150011051072 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (15001105157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098103 + ... + 1111679.
It is an arithmetic number, because the mean of its divisors is an integer number (1273955850).
Almost surely, 215001105107 is an apocalyptic number.
15001105107 is a deficient number, since it is larger than the sum of its proper divisors (5382188493).
15001105107 is a wasteful number, since it uses less digits than its factorization.
15001105107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20582.
The product of its (nonzero) digits is 175, while the sum is 21.
Adding to 15001105107 its reverse (70150110051), we get a palindrome (85151215158).
The spelling of 15001105107 in words is "fifteen billion, one million, one hundred five thousand, one hundred seven".
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