Base | Representation |
---|---|
bin | 11100110100100011… |
… | …111111010010000111 |
3 | 2221212201112012122112 |
4 | 130310203333102013 |
5 | 1001334313324201 |
6 | 22114445251235 |
7 | 2143612635350 |
oct | 346443772207 |
9 | 87781465575 |
10 | 30946620551 |
11 | 12140619070 |
12 | 5bb7b63b1b |
13 | 2bc25328c2 |
14 | 16d805cd27 |
15 | c11cb40bb |
hex | 7348ff487 |
30946620551 has 16 divisors (see below), whose sum is σ = 38586686208. Its totient is φ = 24111820800.
The previous prime is 30946620547. The next prime is 30946620611. The reversal of 30946620551 is 15502664903.
It is a cyclic number.
It is not a de Polignac number, because 30946620551 - 22 = 30946620547 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30946620499 and 30946620508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30946620521) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331591 + ... + 1354631.
It is an arithmetic number, because the mean of its divisors is an integer number (2411667888).
Almost surely, 230946620551 is an apocalyptic number.
30946620551 is a deficient number, since it is larger than the sum of its proper divisors (7640065657).
30946620551 is a wasteful number, since it uses less digits than its factorization.
30946620551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40502.
The product of its (nonzero) digits is 194400, while the sum is 41.
The spelling of 30946620551 in words is "thirty billion, nine hundred forty-six million, six hundred twenty thousand, five hundred fifty-one".
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