Base | Representation |
---|---|
bin | 11001001010010001… |
… | …11000110111111110 |
3 | 1021212101122221100112 |
4 | 30211020320313332 |
5 | 210131021121430 |
6 | 10112215030022 |
7 | 655512004046 |
oct | 144510706776 |
9 | 37771587315 |
10 | 13507988990 |
11 | 58019a9071 |
12 | 274b96b312 |
13 | 13736c31c2 |
14 | 922000726 |
15 | 540d47195 |
hex | 325238dfe |
13507988990 has 16 divisors (see below), whose sum is σ = 24321120048. Its totient is φ = 5401697856.
The previous prime is 13507988983. The next prime is 13507988993. The reversal of 13507988990 is 9988970531.
It is a super-2 number, since 2×135079889902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13507988993) 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 7 ways as a sum of consecutive naturals, for example, 148967 + ... + 221826.
It is an arithmetic number, because the mean of its divisors is an integer number (1520070003).
Almost surely, 213507988990 is an apocalyptic number.
13507988990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13507988990 is a deficient number, since it is larger than the sum of its proper divisors (10813131058).
13507988990 is a wasteful number, since it uses less digits than its factorization.
13507988990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 374443.
The product of its (nonzero) digits is 4898880, while the sum is 59.
The spelling of 13507988990 in words is "thirteen billion, five hundred seven million, nine hundred eighty-eight thousand, nine hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •