Base | Representation |
---|---|
bin | 1110110110100111… |
… | …01010011111001001 |
3 | 202120202010001112000 |
4 | 13123103222133021 |
5 | 112312412113421 |
6 | 3355141341213 |
7 | 401416464252 |
oct | 73323523711 |
9 | 22522101460 |
10 | 7974332361 |
11 | 3422336a26 |
12 | 1666707809 |
13 | 9a1127078 |
14 | 559105b29 |
15 | 31a12a226 |
hex | 1db4ea7c9 |
7974332361 has 16 divisors (see below), whose sum is σ = 11839470720. Its totient is φ = 5304681360.
The previous prime is 7974332329. The next prime is 7974332381. The reversal of 7974332361 is 1632334797.
It is a happy number.
It is not a de Polignac number, because 7974332361 - 25 = 7974332329 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (7974332381) 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, 307885 + ... + 332778.
It is an arithmetic number, because the mean of its divisors is an integer number (739966920).
Almost surely, 27974332361 is an apocalyptic number.
It is an amenable number.
7974332361 is a deficient number, since it is larger than the sum of its proper divisors (3865138359).
7974332361 is a wasteful number, since it uses less digits than its factorization.
7974332361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 641133 (or 641127 counting only the distinct ones).
The product of its digits is 571536, while the sum is 45.
The square root of 7974332361 is about 89299.1173584599. The cubic root of 7974332361 is about 1997.8587384009.
The spelling of 7974332361 in words is "seven billion, nine hundred seventy-four million, three hundred thirty-two thousand, three hundred sixty-one".
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