Base | Representation |
---|---|
bin | 101010101000110… |
… | …0100101000101000 |
3 | 10200201001120002202 |
4 | 1111101210220220 |
5 | 10412222413424 |
6 | 353544115332 |
7 | 50311331111 |
oct | 12521445050 |
9 | 3621046082 |
10 | 1430669864 |
11 | 674637498 |
12 | 33b165b48 |
13 | 19a529620 |
14 | d8017208 |
15 | 859022ae |
hex | 55464a28 |
1430669864 has 64 divisors (see below), whose sum is σ = 2932554240. Its totient is φ = 650407680.
The previous prime is 1430669857. The next prime is 1430669869. The reversal of 1430669864 is 4689660341.
It is a super-3 number, since 3×14306698643 (a number of 28 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1430669869) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356649 + ... + 2357255.
It is an arithmetic number, because the mean of its divisors is an integer number (45821160).
Almost surely, 21430669864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1430669864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466277120).
1430669864 is an abundant number, since it is smaller than the sum of its proper divisors (1501884376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430669864 is a wasteful number, since it uses less digits than its factorization.
1430669864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930 (or 926 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 47.
The square root of 1430669864 is about 37824.1968057486. The cubic root of 1430669864 is about 1126.7990609603.
The spelling of 1430669864 in words is "one billion, four hundred thirty million, six hundred sixty-nine thousand, eight hundred sixty-four".
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