Base | Representation |
---|---|
bin | 10001111001111101001… |
… | …01101111000110111100 |
3 | 2011211000110112200200101 |
4 | 20330332211233012330 |
5 | 40034442440344004 |
6 | 1150344414410444 |
7 | 62306661066220 |
oct | 10747645570674 |
9 | 2154013480611 |
10 | 615230403004 |
11 | 217a10583818 |
12 | 9b29b500a24 |
13 | 460291470a9 |
14 | 21ac4d22780 |
15 | 1100bee4ba4 |
hex | 8f3e96f1bc |
615230403004 has 12 divisors (see below), whose sum is σ = 1230460806064. Its totient is φ = 263670172704.
The previous prime is 615230403001. The next prime is 615230403017. The reversal of 615230403004 is 400304032516.
615230403004 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 21972514393 = 615230403004 / (6 + 1 + 5 + 2 + 3 + 0 + 4 + 0 + 3 + 0 + 0 + 4).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (615230403001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10986257169 + ... + 10986257224.
Almost surely, 2615230403004 is an apocalyptic number.
It is an amenable number.
615230403004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
615230403004 is a wasteful number, since it uses less digits than its factorization.
615230403004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21972514404 (or 21972514402 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 28.
The spelling of 615230403004 in words is "six hundred fifteen billion, two hundred thirty million, four hundred three thousand, four".
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