Base | Representation |
---|---|
bin | 11100100011001100… |
… | …100110011100001001 |
3 | 2221010102022102011120 |
4 | 130203030212130021 |
5 | 1000240222324214 |
6 | 22025520545453 |
7 | 2133444360603 |
oct | 344314463411 |
9 | 87112272146 |
10 | 30655276809 |
11 | 12001117213 |
12 | 5b36482289 |
13 | 2b77075b61 |
14 | 16ab4a0173 |
15 | be6414ea9 |
hex | 723326709 |
30655276809 has 16 divisors (see below), whose sum is σ = 43330302720. Its totient is φ = 19211454720.
The previous prime is 30655276789. The next prime is 30655276823. The reversal of 30655276809 is 90867255603.
It is a happy number.
It is not a de Polignac number, because 30655276809 - 25 = 30655276777 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (30655276849) 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, 320257 + ... + 404814.
It is an arithmetic number, because the mean of its divisors is an integer number (2708143920).
Almost surely, 230655276809 is an apocalyptic number.
It is an amenable number.
30655276809 is a deficient number, since it is larger than the sum of its proper divisors (12675025911).
30655276809 is a wasteful number, since it uses less digits than its factorization.
30655276809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725920.
The product of its (nonzero) digits is 2721600, while the sum is 51.
The spelling of 30655276809 in words is "thirty billion, six hundred fifty-five million, two hundred seventy-six thousand, eight hundred nine".
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