Base | Representation |
---|---|
bin | 11100100010011100… |
… | …010110001000000101 |
3 | 2221002112111201222222 |
4 | 130202130112020011 |
5 | 1000224003031302 |
6 | 22024345502125 |
7 | 2133232014116 |
oct | 344234261005 |
9 | 87075451888 |
10 | 30642627077 |
11 | 11aa4a67297 |
12 | 5b321a1945 |
13 | 2b745671ca |
14 | 16a992a20d |
15 | be5266da2 |
hex | 722716205 |
30642627077 has 16 divisors (see below), whose sum is σ = 31832855280. Its totient is φ = 29461555200.
The previous prime is 30642627073. The next prime is 30642627097. The reversal of 30642627077 is 77072624603.
It can be written as a sum of positive squares in 8 ways, for example, as 1574423041 + 29068204036 = 39679^2 + 170494^2 .
It is a cyclic number.
It is not a de Polignac number, because 30642627077 - 22 = 30642627073 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30642627073) 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, 9631427 + ... + 9634607.
It is an arithmetic number, because the mean of its divisors is an integer number (1989553455).
Almost surely, 230642627077 is an apocalyptic number.
It is an amenable number.
30642627077 is a deficient number, since it is larger than the sum of its proper divisors (1190228203).
30642627077 is a wasteful number, since it uses less digits than its factorization.
30642627077 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4504.
The product of its (nonzero) digits is 592704, while the sum is 44.
The spelling of 30642627077 in words is "thirty billion, six hundred forty-two million, six hundred twenty-seven thousand, seventy-seven".
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