Base | Representation |
---|---|
bin | 11100100110110001… |
… | …000011101101100110 |
3 | 2221021121000002001210 |
4 | 130212301003231212 |
5 | 1000401040244132 |
6 | 22035500332250 |
7 | 2135102412405 |
oct | 344661035546 |
9 | 87247002053 |
10 | 30715165542 |
11 | 12031a01536 |
12 | 5b52544086 |
13 | 2b865b4289 |
14 | 16b540d63c |
15 | beb7e4bcc |
hex | 726c43b66 |
30715165542 has 16 divisors (see below), whose sum is σ = 61480329840. Its totient is φ = 10230055392.
The previous prime is 30715165541. The next prime is 30715165561. The reversal of 30715165542 is 24556151703.
It is a self number, because there is not a number n which added to its sum of digits gives 30715165542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30715165541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075293 + ... + 2090040.
It is an arithmetic number, because the mean of its divisors is an integer number (3842520615).
Almost surely, 230715165542 is an apocalyptic number.
30715165542 is an abundant number, since it is smaller than the sum of its proper divisors (30765164298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30715165542 is a wasteful number, since it uses less digits than its factorization.
30715165542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4166567.
The product of its (nonzero) digits is 126000, while the sum is 39.
The spelling of 30715165542 in words is "thirty billion, seven hundred fifteen million, one hundred sixty-five thousand, five hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •