Base | Representation |
---|---|
bin | 11100000101001010… |
… | …111101101110011110 |
3 | 2212211022102111102000 |
4 | 130011022331232132 |
5 | 443222243001142 |
6 | 21503523543130 |
7 | 2115116534265 |
oct | 340512755636 |
9 | 85738374360 |
10 | 30151531422 |
11 | 11872831911 |
12 | 5a1582aaa6 |
13 | 2ac68ac06c |
14 | 16606115dc |
15 | bb70ac14c |
hex | 7052bdb9e |
30151531422 has 32 divisors (see below), whose sum is σ = 67514895360. Its totient is φ = 9973786680.
The previous prime is 30151531393. The next prime is 30151531469. The reversal of 30151531422 is 22413515103.
30151531422 is a `hidden beast` number, since 3 + 0 + 1 + 515 + 3 + 142 + 2 = 666.
It is a super-2 number, since 2×301515314222 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
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, 2124078 + ... + 2138225.
It is an arithmetic number, because the mean of its divisors is an integer number (2109840480).
Almost surely, 230151531422 is an apocalyptic number.
30151531422 is an abundant number, since it is smaller than the sum of its proper divisors (37363363938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30151531422 is a wasteful number, since it uses less digits than its factorization.
30151531422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4262445 (or 4262439 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 30151531422 in words is "thirty billion, one hundred fifty-one million, five hundred thirty-one thousand, four hundred twenty-two".
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