Base | Representation |
---|---|
bin | 11111000110111000010… |
… | …010101001000001011011 |
3 | 21120100202100002010000000 |
4 | 133012320102221001123 |
5 | 240010442300443400 |
6 | 4314012545144043 |
7 | 310304652431535 |
oct | 37067022510133 |
9 | 7510670063000 |
10 | 2137690640475 |
11 | 754653700a35 |
12 | 2a637032b023 |
13 | 126777855030 |
14 | 756714d4855 |
15 | 3a9160ce600 |
hex | 1f1b84a905b |
2137690640475 has 384 divisors, whose sum is σ = 4572847319040. Its totient is φ = 982911283200.
The previous prime is 2137690640461. The next prime is 2137690640479. The reversal of 2137690640475 is 5740460967312.
2137690640475 is a `hidden beast` number, since 2 + 13 + 76 + 90 + 6 + 4 + 0 + 475 = 666.
It is not a de Polignac number, because 2137690640475 - 216 = 2137690574939 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2137690640479) by changing a digit.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 702954955 + ... + 702957995.
It is an arithmetic number, because the mean of its divisors is an integer number (11908456560).
Almost surely, 22137690640475 is an apocalyptic number.
2137690640475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2137690640475 is an abundant number, since it is smaller than the sum of its proper divisors (2435156678565).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2137690640475 is a wasteful number, since it uses less digits than its factorization.
2137690640475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3151 (or 3128 counting only the distinct ones).
The product of its (nonzero) digits is 7620480, while the sum is 54.
The spelling of 2137690640475 in words is "two trillion, one hundred thirty-seven billion, six hundred ninety million, six hundred forty thousand, four hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •