Base | Representation |
---|---|
bin | 11100011001111110… |
… | …010111101001001010 |
3 | 2220201122011112121000 |
4 | 130121332113221022 |
5 | 444431120114432 |
6 | 22002312355430 |
7 | 2126555256630 |
oct | 343176275112 |
9 | 86648145530 |
10 | 30500551242 |
11 | 11a31847647 |
12 | 5ab26a5b76 |
13 | 2b50cb1075 |
14 | 1694b05350 |
15 | bd7a5057c |
hex | 719f97a4a |
30500551242 has 32 divisors (see below), whose sum is σ = 77461718400. Its totient is φ = 8714443104.
The previous prime is 30500551231. The next prime is 30500551261. The reversal of 30500551242 is 24215500503.
It is a happy number.
30500551242 is a `hidden beast` number, since 30 + 500 + 5 + 5 + 124 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40344267 + ... + 40345022.
It is an arithmetic number, because the mean of its divisors is an integer number (2420678700).
Almost surely, 230500551242 is an apocalyptic number.
30500551242 is an abundant number, since it is smaller than the sum of its proper divisors (46961167158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500551242 is a wasteful number, since it uses less digits than its factorization.
30500551242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80689307 (or 80689301 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The spelling of 30500551242 in words is "thirty billion, five hundred million, five hundred fifty-one thousand, two hundred forty-two".
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