Base | Representation |
---|---|
bin | 11100110110011000… |
… | …000101110100001001 |
3 | 2221221211210111020201 |
4 | 130312120011310021 |
5 | 1001420111243014 |
6 | 22121453452201 |
7 | 2144432426434 |
oct | 346630056411 |
9 | 87854714221 |
10 | 30977056009 |
11 | 12156816739 |
12 | 60061a1061 |
13 | 2bc892ab53 |
14 | 16dc10281b |
15 | c147c6e74 |
hex | 736605d09 |
30977056009 has 9 divisors (see below), whose sum is σ = 31420244199. Its totient is φ = 30540040560.
The previous prime is 30977055997. The next prime is 30977056013. The reversal of 30977056009 is 90065077903.
The square root of 30977056009 is 176003.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 17584086025 + 13392969984 = 132605^2 + 115728^2 .
It is not a de Polignac number, because 30977056009 - 27 = 30977055881 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30977056009.
It is not an unprimeable number, because it can be changed into a prime (30977056309) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12847014 + ... + 12849424.
Almost surely, 230977056009 is an apocalyptic number.
30977056009 is the 176003-rd square number.
30977056009 is the 88002-nd centered octagonal number.
It is an amenable number.
30977056009 is a deficient number, since it is larger than the sum of its proper divisors (443188190).
30977056009 is an frugal number, since it uses more digits than its factorization.
30977056009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4968 (or 2484 counting only the distinct ones).
The product of its (nonzero) digits is 357210, while the sum is 46.
The spelling of 30977056009 in words is "thirty billion, nine hundred seventy-seven million, fifty-six thousand, nine".
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