Base | Representation |
---|---|
bin | 11011111100110111… |
… | …000110111010111101 |
3 | 2212110121002002002020 |
4 | 123330313012322331 |
5 | 442431044432402 |
6 | 21442023350353 |
7 | 2111504466351 |
oct | 337467067275 |
9 | 85417062066 |
10 | 30012108477 |
11 | 1180106433a |
12 | 5996bb23b9 |
13 | 2aa3a44590 |
14 | 1649cbb461 |
15 | ba9c1b8bc |
hex | 6fcdc6ebd |
30012108477 has 16 divisors (see below), whose sum is σ = 43234699200. Its totient is φ = 18408822912.
The previous prime is 30012108443. The next prime is 30012108481. The reversal of 30012108477 is 77480121003.
It is a happy number.
It is not a de Polignac number, because 30012108477 - 231 = 27864624829 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30012101477) 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, 1241352 + ... + 1265297.
It is an arithmetic number, because the mean of its divisors is an integer number (2702168700).
Almost surely, 230012108477 is an apocalyptic number.
It is an amenable number.
30012108477 is a deficient number, since it is larger than the sum of its proper divisors (13222590723).
30012108477 is a wasteful number, since it uses less digits than its factorization.
30012108477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2506972.
The product of its (nonzero) digits is 9408, while the sum is 33.
The spelling of 30012108477 in words is "thirty billion, twelve million, one hundred eight thousand, four hundred seventy-seven".
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