Base | Representation |
---|---|
bin | 11100100011111010… |
… | …011000011010010100 |
3 | 2221011020220010200002 |
4 | 130203322120122110 |
5 | 1000301310343342 |
6 | 22031030110432 |
7 | 2133651363452 |
oct | 344372303224 |
9 | 87136803602 |
10 | 30667277972 |
11 | 12007973931 |
12 | 5b3a4ab418 |
13 | 2b796b8536 |
14 | 16acd059d2 |
15 | be74d5d32 |
hex | 723e98694 |
30667277972 has 12 divisors (see below), whose sum is σ = 54809603520. Its totient is φ = 15007391256.
The previous prime is 30667277957. The next prime is 30667277983. The reversal of 30667277972 is 27977276603.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81561722 + ... + 81562097.
It is an arithmetic number, because the mean of its divisors is an integer number (4567466960).
Almost surely, 230667277972 is an apocalyptic number.
It is an amenable number.
30667277972 is a deficient number, since it is larger than the sum of its proper divisors (24142325548).
30667277972 is a wasteful number, since it uses less digits than its factorization.
30667277972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163123870 (or 163123868 counting only the distinct ones).
The product of its (nonzero) digits is 9335088, while the sum is 56.
The spelling of 30667277972 in words is "thirty billion, six hundred sixty-seven million, two hundred seventy-seven thousand, nine hundred seventy-two".
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