Base | Representation |
---|---|
bin | 10011010010100011… |
… | …101111111000010110 |
3 | 1222110111010202201222 |
4 | 103102203233320112 |
5 | 314404342040302 |
6 | 13303135450342 |
7 | 1332162653141 |
oct | 232243577026 |
9 | 58414122658 |
10 | 20712455702 |
11 | 8869706594 |
12 | 40206869b2 |
13 | 1c51188563 |
14 | 1006b83058 |
15 | 81359dda2 |
hex | 4d28efe16 |
20712455702 has 8 divisors (see below), whose sum is σ = 31076737776. Its totient is φ = 10353543112.
The previous prime is 20712455681. The next prime is 20712455707. The reversal of 20712455702 is 20755421702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20712455707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332713 + ... + 1348164.
It is an arithmetic number, because the mean of its divisors is an integer number (3884592222).
Almost surely, 220712455702 is an apocalyptic number.
20712455702 is a deficient number, since it is larger than the sum of its proper divisors (10364282074).
20712455702 is a wasteful number, since it uses less digits than its factorization.
20712455702 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2684742.
The product of its (nonzero) digits is 39200, while the sum is 35.
The spelling of 20712455702 in words is "twenty billion, seven hundred twelve million, four hundred fifty-five thousand, seven hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •