Base | Representation |
---|---|
bin | 11000111101000011… |
… | …11001101101000011 |
3 | 1021120200000110202200 |
4 | 30132201321231003 |
5 | 204414124333400 |
6 | 10053214244243 |
7 | 652664342355 |
oct | 143641715503 |
9 | 37520013680 |
10 | 13397105475 |
11 | 57553536a6 |
12 | 271a7b6683 |
13 | 135673b960 |
14 | 9113b90d5 |
15 | 536242b00 |
hex | 31e879b43 |
13397105475 has 144 divisors (see below), whose sum is σ = 26652356640. Its totient is φ = 6391756800.
The previous prime is 13397105473. The next prime is 13397105537. The reversal of 13397105475 is 57450179331.
13397105475 is a `hidden beast` number, since 1 + 3 + 3 + 97 + 10 + 547 + 5 = 666.
It is not a de Polignac number, because 13397105475 - 21 = 13397105473 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 13397105475.
It is not an unprimeable number, because it can be changed into a prime (13397105471) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13796740 + ... + 13797710.
It is an arithmetic number, because the mean of its divisors is an integer number (185085810).
Almost surely, 213397105475 is an apocalyptic number.
13397105475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13397105475 is a deficient number, since it is larger than the sum of its proper divisors (13255251165).
13397105475 is a wasteful number, since it uses less digits than its factorization.
13397105475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1142 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 396900, while the sum is 45.
The spelling of 13397105475 in words is "thirteen billion, three hundred ninety-seven million, one hundred five thousand, four hundred seventy-five".
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