Base | Representation |
---|---|
bin | 11100101001111000… |
… | …110111111010111010 |
3 | 2221102020120021121022 |
4 | 130221320313322322 |
5 | 1001002442433132 |
6 | 22045011142442 |
7 | 2136306553262 |
oct | 345170677272 |
9 | 87366507538 |
10 | 30767546042 |
11 | 12059528802 |
12 | 5b67ba4a22 |
13 | 2b943c405c |
14 | 16bc3667a2 |
15 | c011dee12 |
hex | 729e37eba |
30767546042 has 4 divisors (see below), whose sum is σ = 46151319066. Its totient is φ = 15383773020.
The previous prime is 30767546023. The next prime is 30767546081. The reversal of 30767546042 is 24064576703.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24064576703 = 281 ⋅85639063.
It can be written as a sum of positive squares in only one way, i.e., 30673669321 + 93876721 = 175139^2 + 9689^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30767545984 and 30767546002.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691886509 + ... + 7691886512.
Almost surely, 230767546042 is an apocalyptic number.
30767546042 is a deficient number, since it is larger than the sum of its proper divisors (15383773024).
30767546042 is a wasteful number, since it uses less digits than its factorization.
30767546042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15383773023.
The product of its (nonzero) digits is 846720, while the sum is 44.
The spelling of 30767546042 in words is "thirty billion, seven hundred sixty-seven million, five hundred forty-six thousand, forty-two".
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