Base | Representation |
---|---|
bin | 10010011000101000… |
… | …100010000100000110 |
3 | 1212221202110222021200 |
4 | 102120220202010012 |
5 | 310412100200202 |
6 | 13022502123330 |
7 | 1266122411640 |
oct | 223050420406 |
9 | 55852428250 |
10 | 19740631302 |
11 | 8410087527 |
12 | 39ab120546 |
13 | 1b27a34b32 |
14 | d53a8b890 |
15 | 7a80d5e1c |
hex | 498a22106 |
19740631302 has 96 divisors (see below), whose sum is σ = 52152781824. Its totient is φ = 5267808000.
The previous prime is 19740631301. The next prime is 19740631303. The reversal of 19740631302 is 20313604791.
19740631302 is a `hidden beast` number, since 19 + 7 + 4 + 0 + 631 + 3 + 0 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (19740631301) and next prime (19740631303).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19740631301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245427 + ... + 315777.
It is an arithmetic number, because the mean of its divisors is an integer number (543258144).
Almost surely, 219740631302 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19740631302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26076390912).
19740631302 is an abundant number, since it is smaller than the sum of its proper divisors (32412150522).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19740631302 is a wasteful number, since it uses less digits than its factorization.
19740631302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70514 (or 70511 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The spelling of 19740631302 in words is "nineteen billion, seven hundred forty million, six hundred thirty-one thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •