Base | Representation |
---|---|
bin | 11100110110011010… |
… | …011111000110111011 |
3 | 2221221212222101112220 |
4 | 130312122133012323 |
5 | 1001420241341044 |
6 | 22121515135123 |
7 | 2144440653141 |
oct | 346632370673 |
9 | 87855871486 |
10 | 30977683899 |
11 | 12157105458 |
12 | 60064444a3 |
13 | 2bc8aba896 |
14 | 16dc227591 |
15 | c1489d019 |
hex | 73669f1bb |
30977683899 has 16 divisors (see below), whose sum is σ = 41848665600. Its totient is φ = 20379524256.
The previous prime is 30977683873. The next prime is 30977683901. The reversal of 30977683899 is 99838677903.
It is not a de Polignac number, because 30977683899 - 231 = 28830200251 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30977683859) 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, 424312 + ... + 491930.
It is an arithmetic number, because the mean of its divisors is an integer number (2615541600).
Almost surely, 230977683899 is an apocalyptic number.
30977683899 is a deficient number, since it is larger than the sum of its proper divisors (10870981701).
30977683899 is a wasteful number, since it uses less digits than its factorization.
30977683899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69634.
The product of its (nonzero) digits is 123451776, while the sum is 69.
The spelling of 30977683899 in words is "thirty billion, nine hundred seventy-seven million, six hundred eighty-three thousand, eight hundred ninety-nine".
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