Base | Representation |
---|---|
bin | 11100011100010111… |
… | …010100010000011000 |
3 | 2220211102121112102211 |
4 | 130130113110100120 |
5 | 1000021401123100 |
6 | 22010304004504 |
7 | 2130553126336 |
oct | 343427242030 |
9 | 86742545384 |
10 | 30540645400 |
11 | 11a52441a11 |
12 | 5b04000734 |
13 | 2b593ab715 |
14 | 169a180b56 |
15 | bdb3201ba |
hex | 71c5d4418 |
30540645400 has 24 divisors (see below), whose sum is σ = 71007001020. Its totient is φ = 12216258080.
The previous prime is 30540645341. The next prime is 30540645407. The reversal of 30540645400 is 454604503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30540645407) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76351414 + ... + 76351813.
Almost surely, 230540645400 is an apocalyptic number.
It is an amenable number.
30540645400 is an abundant number, since it is smaller than the sum of its proper divisors (40466355620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30540645400 is a wasteful number, since it uses less digits than its factorization.
30540645400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 152703243 (or 152703234 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 31.
The spelling of 30540645400 in words is "thirty billion, five hundred forty million, six hundred forty-five thousand, four hundred".
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