Base | Representation |
---|---|
bin | 11100001100000101… |
… | …101001011010000100 |
3 | 2220010101210021100222 |
4 | 130030011221122010 |
5 | 443441444443423 |
6 | 21523231123512 |
7 | 2121026111414 |
oct | 341405513204 |
9 | 86111707328 |
10 | 30267577988 |
11 | 1192229336a |
12 | 5a48673598 |
13 | 2b1495067b |
14 | 1671bbc644 |
15 | bc23813c8 |
hex | 70c169684 |
30267577988 has 24 divisors (see below), whose sum is σ = 56852325432. Its totient is φ = 14048446464.
The previous prime is 30267577979. The next prime is 30267578053. The reversal of 30267577988 is 88977576203.
It can be written as a sum of positive squares in 4 ways, for example, as 9529273924 + 20738304064 = 97618^2 + 144008^2 .
It is a super-2 number, since 2×302675779882 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30267577988.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3043745 + ... + 3053672.
It is an arithmetic number, because the mean of its divisors is an integer number (2368846893).
Almost surely, 230267577988 is an apocalyptic number.
It is an amenable number.
30267577988 is a deficient number, since it is larger than the sum of its proper divisors (26584747444).
30267577988 is a wasteful number, since it uses less digits than its factorization.
30267577988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6097511 (or 6097509 counting only the distinct ones).
The product of its (nonzero) digits is 35562240, while the sum is 62.
The spelling of 30267577988 in words is "thirty billion, two hundred sixty-seven million, five hundred seventy-seven thousand, nine hundred eighty-eight".
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