Base | Representation |
---|---|
bin | 1111101110110… |
… | …11010111010100 |
3 | 100012022210111220 |
4 | 13313123113110 |
5 | 232241024031 |
6 | 21032330340 |
7 | 3161505456 |
oct | 767332724 |
9 | 305283456 |
10 | 131970516 |
11 | 68548447 |
12 | 382439b0 |
13 | 21458682 |
14 | 137542d6 |
15 | b8bc596 |
hex | 7ddb5d4 |
131970516 has 12 divisors (see below), whose sum is σ = 307931232. Its totient is φ = 43990168.
The previous prime is 131970499. The next prime is 131970547. The reversal of 131970516 is 615079131.
It is a happy number.
131970516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5498760 + ... + 5498783.
It is an arithmetic number, because the mean of its divisors is an integer number (25660936).
Almost surely, 2131970516 is an apocalyptic number.
It is an amenable number.
131970516 is an abundant number, since it is smaller than the sum of its proper divisors (175960716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131970516 is a wasteful number, since it uses less digits than its factorization.
131970516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10997550 (or 10997548 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 33.
The square root of 131970516 is about 11487.8420950151. The cubic root of 131970516 is about 509.1264245438.
The spelling of 131970516 in words is "one hundred thirty-one million, nine hundred seventy thousand, five hundred sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •