Base | Representation |
---|---|
bin | 10010010110010001010… |
… | …01110000100010101001 |
3 | 2020021020212022021112110 |
4 | 21023020221300202221 |
5 | 40312110443141040 |
6 | 1201341041232533 |
7 | 63355453212033 |
oct | 11131051604251 |
9 | 2207225267473 |
10 | 630431615145 |
11 | 223401236462 |
12 | a2222332749 |
13 | 475ac583087 |
14 | 22727b62c53 |
15 | 115eb802980 |
hex | 92c8a708a9 |
630431615145 has 8 divisors (see below), whose sum is σ = 1008690584256. Its totient is φ = 336230194736.
The previous prime is 630431615141. The next prime is 630431615173. The reversal of 630431615145 is 541516134036.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 630431615145 - 22 = 630431615141 is a prime.
It is not an unprimeable number, because it can be changed into a prime (630431615141) 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, 21014387157 + ... + 21014387186.
It is an arithmetic number, because the mean of its divisors is an integer number (126086323032).
Almost surely, 2630431615145 is an apocalyptic number.
It is an amenable number.
630431615145 is a deficient number, since it is larger than the sum of its proper divisors (378258969111).
630431615145 is a wasteful number, since it uses less digits than its factorization.
630431615145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42028774351.
The product of its (nonzero) digits is 129600, while the sum is 39.
The spelling of 630431615145 in words is "six hundred thirty billion, four hundred thirty-one million, six hundred fifteen thousand, one hundred forty-five".
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