Base | Representation |
---|---|
bin | 100000010110111100… |
… | …0110100100110010000 |
3 | 20122100211110120121001 |
4 | 1000231320310212100 |
5 | 2114303233100320 |
6 | 51531205511344 |
7 | 5010003463165 |
oct | 1005570644620 |
9 | 218324416531 |
10 | 69489346960 |
11 | 27519a19970 |
12 | 11573a12554 |
13 | 67257026a7 |
14 | 3512c8a06c |
15 | 1c1a89120a |
hex | 102de34990 |
69489346960 has 40 divisors (see below), whose sum is σ = 176250254976. Its totient is φ = 25268853120.
The previous prime is 69489346957. The next prime is 69489346981. The reversal of 69489346960 is 6964398496.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×694893469602 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 69489346892 and 69489346901.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39481704 + ... + 39483463.
Almost surely, 269489346960 is an apocalyptic number.
It is an amenable number.
69489346960 is an abundant number, since it is smaller than the sum of its proper divisors (106760908016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69489346960 is a wasteful number, since it uses less digits than its factorization.
69489346960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78965191 (or 78965185 counting only the distinct ones).
The product of its (nonzero) digits is 60466176, while the sum is 64.
The spelling of 69489346960 in words is "sixty-nine billion, four hundred eighty-nine million, three hundred forty-six thousand, nine hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •