Base | Representation |
---|---|
bin | 110000100101111… |
… | …0000001001110000 |
3 | 11012122000111102020 |
4 | 1201023300021300 |
5 | 11314400031033 |
6 | 425442351440 |
7 | 55255526043 |
oct | 14113601160 |
9 | 4178014366 |
10 | 1630470768 |
11 | 7673a3903 |
12 | 39605b580 |
13 | 1cca44104 |
14 | 116786c5a |
15 | 9821c6b3 |
hex | 612f0270 |
1630470768 has 40 divisors (see below), whose sum is σ = 4269757968. Its totient is φ = 536044032.
The previous prime is 1630470763. The next prime is 1630470773. The reversal of 1630470768 is 8670740361.
It is an interprime number because it is at equal distance from previous prime (1630470763) and next prime (1630470773).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1630470763) 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, 229155 + ... + 236162.
Almost surely, 21630470768 is an apocalyptic number.
It is an amenable number.
1630470768 is an abundant number, since it is smaller than the sum of its proper divisors (2639287200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1630470768 is a wasteful number, since it uses less digits than its factorization.
1630470768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465401 (or 465395 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 1630470768 is about 40379.0882512223. The cubic root of 1630470768 is about 1176.9852103069.
The spelling of 1630470768 in words is "one billion, six hundred thirty million, four hundred seventy thousand, seven hundred sixty-eight".
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