Base | Representation |
---|---|
bin | 11100100110110110… |
… | …010111000100011111 |
3 | 2221021200121200210121 |
4 | 130212312113010133 |
5 | 1000401414234201 |
6 | 22035550215411 |
7 | 2135120262043 |
oct | 344666270437 |
9 | 87250550717 |
10 | 30716555551 |
11 | 12032770900 |
12 | 5b52ab4567 |
13 | 2b8697cb76 |
14 | 16b5692023 |
15 | beb9bb9a1 |
hex | 726d9711f |
30716555551 has 48 divisors (see below), whose sum is σ = 35124001920. Its totient is φ = 26827732800.
The previous prime is 30716555531. The next prime is 30716555563. The reversal of 30716555551 is 15555561703.
It is not a de Polignac number, because 30716555551 - 219 = 30716031263 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30716555498 and 30716555507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30716555531) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88520160 + ... + 88520506.
It is an arithmetic number, because the mean of its divisors is an integer number (731750040).
Almost surely, 230716555551 is an apocalyptic number.
30716555551 is a deficient number, since it is larger than the sum of its proper divisors (4407446369).
30716555551 is a wasteful number, since it uses less digits than its factorization.
30716555551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 676 (or 665 counting only the distinct ones).
The product of its (nonzero) digits is 393750, while the sum is 43.
The spelling of 30716555551 in words is "thirty billion, seven hundred sixteen million, five hundred fifty-five thousand, five hundred fifty-one".
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