Base | Representation |
---|---|
bin | 11100100100000110… |
… | …101110110000000111 |
3 | 2221011110222121022200 |
4 | 130210012232300013 |
5 | 1000303122441312 |
6 | 22031223325543 |
7 | 2134021035453 |
oct | 344406566007 |
9 | 87143877280 |
10 | 30670515207 |
11 | 12009785032 |
12 | 5b3b5b08b3 |
13 | 2b7a27cb67 |
14 | 16ad509663 |
15 | be79250dc |
hex | 7241aec07 |
30670515207 has 6 divisors (see below), whose sum is σ = 44301855312. Its totient is φ = 20447010132.
The previous prime is 30670515181. The next prime is 30670515209. The reversal of 30670515207 is 70251507603.
It is not a de Polignac number, because 30670515207 - 26 = 30670515143 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30670515209) 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, 1703917503 + ... + 1703917520.
It is an arithmetic number, because the mean of its divisors is an integer number (7383642552).
Almost surely, 230670515207 is an apocalyptic number.
30670515207 is a deficient number, since it is larger than the sum of its proper divisors (13631340105).
30670515207 is a wasteful number, since it uses less digits than its factorization.
30670515207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3407835029 (or 3407835026 counting only the distinct ones).
The product of its (nonzero) digits is 44100, while the sum is 36.
The spelling of 30670515207 in words is "thirty billion, six hundred seventy million, five hundred fifteen thousand, two hundred seven".
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