Base | Representation |
---|---|
bin | 10001111101111001… |
… | …101100101011111111 |
3 | 1211210111120120200220 |
4 | 101331321230223333 |
5 | 304002242141211 |
6 | 12510201352423 |
7 | 1252035352605 |
oct | 217571545377 |
9 | 54714516626 |
10 | 19292146431 |
11 | 81aaa06178 |
12 | 38a4a98713 |
13 | 1a85b4897c |
14 | d102a5875 |
15 | 77da46806 |
hex | 47de6caff |
19292146431 has 16 divisors (see below), whose sum is σ = 27972081504. Its totient is φ = 11777716224.
The previous prime is 19292146427. The next prime is 19292146459. The reversal of 19292146431 is 13464129291.
It is not a de Polignac number, because 19292146431 - 22 = 19292146427 is a prime.
It is a super-2 number, since 2×192921464312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19292146031) 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, 5109970 + ... + 5113743.
It is an arithmetic number, because the mean of its divisors is an integer number (1748255094).
Almost surely, 219292146431 is an apocalyptic number.
19292146431 is a deficient number, since it is larger than the sum of its proper divisors (8679935073).
19292146431 is a wasteful number, since it uses less digits than its factorization.
19292146431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10223770.
The product of its digits is 93312, while the sum is 42.
The spelling of 19292146431 in words is "nineteen billion, two hundred ninety-two million, one hundred forty-six thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •