Base | Representation |
---|---|
bin | 11100101000000110… |
… | …000001010000110100 |
3 | 2221100010220121210022 |
4 | 130220012001100310 |
5 | 1000422241001443 |
6 | 22042013544312 |
7 | 2135462624063 |
oct | 345006012064 |
9 | 87303817708 |
10 | 30737437748 |
11 | 12043533a16 |
12 | 5b59aa5098 |
13 | 2b8b0b19b4 |
14 | 16b836a1da |
15 | bed743e68 |
hex | 728181434 |
30737437748 has 12 divisors (see below), whose sum is σ = 53800287072. Its totient is φ = 15365927160.
The previous prime is 30737437607. The next prime is 30737437769. The reversal of 30737437748 is 84773473703.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30737437748.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673058 + ... + 717273.
It is an arithmetic number, because the mean of its divisors is an integer number (4483357256).
Almost surely, 230737437748 is an apocalyptic number.
It is an amenable number.
30737437748 is a deficient number, since it is larger than the sum of its proper divisors (23062849324).
30737437748 is a wasteful number, since it uses less digits than its factorization.
30737437748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1395862 (or 1395860 counting only the distinct ones).
The product of its (nonzero) digits is 8297856, while the sum is 53.
The spelling of 30737437748 in words is "thirty billion, seven hundred thirty-seven million, four hundred thirty-seven thousand, seven hundred forty-eight".
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