Base | Representation |
---|---|
bin | 101100011010100101… |
… | …101111101011000101 |
3 | 11120002122112201211011 |
4 | 230122211233223011 |
5 | 1240132312224334 |
6 | 33524150042221 |
7 | 3305551423336 |
oct | 543245575305 |
9 | 146078481734 |
10 | 47690742469 |
11 | 192531a9757 |
12 | 92ab649371 |
13 | 4660505c56 |
14 | 2445b7228d |
15 | 1391c95564 |
hex | b1a96fac5 |
47690742469 has 8 divisors (see below), whose sum is σ = 49823721720. Its totient is φ = 45590328000.
The previous prime is 47690742467. The next prime is 47690742493. The reversal of 47690742469 is 96424709674.
It can be written as a sum of positive squares in 4 ways, for example, as 30084902500 + 17605839969 = 173450^2 + 132687^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47690742469 - 21 = 47690742467 is a prime.
It is a super-2 number, since 2×476907424692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47690742461) 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, 8138202 + ... + 8144059.
It is an arithmetic number, because the mean of its divisors is an integer number (6227965215).
Almost surely, 247690742469 is an apocalyptic number.
It is an amenable number.
47690742469 is a deficient number, since it is larger than the sum of its proper divisors (2132979251).
47690742469 is a wasteful number, since it uses less digits than its factorization.
47690742469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16282391.
The product of its (nonzero) digits is 18289152, while the sum is 58.
The spelling of 47690742469 in words is "forty-seven billion, six hundred ninety million, seven hundred forty-two thousand, four hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.104 sec. • engine limits •