Base | Representation |
---|---|
bin | 11011110011110010… |
… | …01001011000110001 |
3 | 1102112111021210210102 |
4 | 31321321021120301 |
5 | 221034030110211 |
6 | 10505252042145 |
7 | 1035656163056 |
oct | 157171113061 |
9 | 42474253712 |
10 | 14929925681 |
11 | 6371610160 |
12 | 2a88003355 |
13 | 153c182768 |
14 | a18bc302d |
15 | 5c5ac1a3b |
hex | 379e49631 |
14929925681 has 8 divisors (see below), whose sum is σ = 16290526464. Its totient is φ = 13569880720.
The previous prime is 14929925641. The next prime is 14929925693. The reversal of 14929925681 is 18652992941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 14929925681 - 214 = 14929909297 is a prime.
It is a super-2 number, since 2×149299256812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14929925641) 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, 81761 + ... + 191166.
It is an arithmetic number, because the mean of its divisors is an integer number (2036315808).
Almost surely, 214929925681 is an apocalyptic number.
14929925681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
14929925681 is a deficient number, since it is larger than the sum of its proper divisors (1360600783).
14929925681 is a wasteful number, since it uses less digits than its factorization.
14929925681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 277911.
The product of its digits is 2799360, while the sum is 56.
The spelling of 14929925681 in words is "fourteen billion, nine hundred twenty-nine million, nine hundred twenty-five thousand, six hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •