Base | Representation |
---|---|
bin | 11100001000110001… |
… | …110011011010001001 |
3 | 2212222112021212122100 |
4 | 130020301303122021 |
5 | 443333240410200 |
6 | 21513524544013 |
7 | 2116453066113 |
oct | 341061633211 |
9 | 85875255570 |
10 | 30212044425 |
11 | 118a3a03162 |
12 | 5a31b52009 |
13 | 2b062a8684 |
14 | 16686843b3 |
15 | bbc561d00 |
hex | 708c73689 |
30212044425 has 72 divisors (see below), whose sum is σ = 54840965400. Its totient is φ = 15897692160.
The previous prime is 30212044399. The next prime is 30212044441. The reversal of 30212044425 is 52444021203.
30212044425 is a `hidden beast` number, since 3 + 0 + 212 + 0 + 4 + 442 + 5 = 666.
It can be written as a sum of positive squares in 12 ways, for example, as 5624550009 + 24587494416 = 74997^2 + 156804^2 .
It is not a de Polignac number, because 30212044425 - 213 = 30212036233 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5819731 + ... + 5824919.
It is an arithmetic number, because the mean of its divisors is an integer number (761680075).
Almost surely, 230212044425 is an apocalyptic number.
It is an amenable number.
30212044425 is a deficient number, since it is larger than the sum of its proper divisors (24628920975).
30212044425 is a wasteful number, since it uses less digits than its factorization.
30212044425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5547 (or 5539 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 30212044425 its reverse (52444021203), we get a palindrome (82656065628).
The spelling of 30212044425 in words is "thirty billion, two hundred twelve million, forty-four thousand, four hundred twenty-five".
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