Base | Representation |
---|---|
bin | 1101110000100010100110… |
… | …00100001110110001000111 |
3 | 10222010100210221201211121201 |
4 | 12320101103010032301013 |
5 | 12431200013133013030 |
6 | 144203004304323331 |
7 | 6241601440263664 |
oct | 670212304166107 |
9 | 128110727654551 |
10 | 30255143251015 |
11 | 9705152684981 |
12 | 3487796313547 |
13 | 13b6080c34a27 |
14 | 7684dccaca6b |
15 | 3770143e42ca |
hex | 1b845310ec47 |
30255143251015 has 8 divisors (see below), whose sum is σ = 36743595659568. Its totient is φ = 23912498761920.
The previous prime is 30255143250991. The next prime is 30255143251019. The reversal of 30255143251015 is 51015234155203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30255143251015 - 227 = 30255009033287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30255143251019) 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, 36451979406 + ... + 36451980235.
It is an arithmetic number, because the mean of its divisors is an integer number (4592949457446).
Almost surely, 230255143251015 is an apocalyptic number.
30255143251015 is a deficient number, since it is larger than the sum of its proper divisors (6488452408553).
30255143251015 is an equidigital number, since it uses as much as digits as its factorization.
30255143251015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72903959729.
The product of its (nonzero) digits is 90000, while the sum is 37.
The spelling of 30255143251015 in words is "thirty trillion, two hundred fifty-five billion, one hundred forty-three million, two hundred fifty-one thousand, fifteen".
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