Base | Representation |
---|---|
bin | 11100100101100101… |
… | …111000100110000111 |
3 | 2221020012220220001112 |
4 | 130211211320212013 |
5 | 1000331014143312 |
6 | 22033514115235 |
7 | 2134443045500 |
oct | 344545704607 |
9 | 87205826045 |
10 | 30695459207 |
11 | 12021871906 |
12 | 5b47a1bb1b |
13 | 2b824a471a |
14 | 16b295dba7 |
15 | be9c00d22 |
hex | 725978987 |
30695459207 has 6 divisors (see below), whose sum is σ = 35706962808. Its totient is φ = 26310393564.
The previous prime is 30695459129. The next prime is 30695459279. The reversal of 30695459207 is 70295459603.
It is a happy number.
It is not a de Polignac number, because 30695459207 - 226 = 30628350343 is a prime.
It is a super-2 number, since 2×306954592072 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30695459287) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313218923 + ... + 313219020.
It is an arithmetic number, because the mean of its divisors is an integer number (5951160468).
Almost surely, 230695459207 is an apocalyptic number.
30695459207 is a deficient number, since it is larger than the sum of its proper divisors (5011503601).
30695459207 is an equidigital number, since it uses as much as digits as its factorization.
30695459207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626437957 (or 626437950 counting only the distinct ones).
The product of its (nonzero) digits is 2041200, while the sum is 50.
The spelling of 30695459207 in words is "thirty billion, six hundred ninety-five million, four hundred fifty-nine thousand, two hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •