Base | Representation |
---|---|
bin | 10010111010101111… |
… | …111111011110011100 |
3 | 1221102122111221011101 |
4 | 102322233333132130 |
5 | 313100112341444 |
6 | 13155350202444 |
7 | 1316242516456 |
oct | 227257773634 |
9 | 57378457141 |
10 | 20313012124 |
11 | 8684190729 |
12 | 3b2a953424 |
13 | 1bb94b0302 |
14 | da9ac52d6 |
15 | 7dd49a3d4 |
hex | 4babff79c |
20313012124 has 12 divisors (see below), whose sum is σ = 35673383704. Its totient is φ = 10120616784.
The previous prime is 20313012107. The next prime is 20313012127. The reversal of 20313012124 is 42121031302.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313012127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8971047 + ... + 8973310.
Almost surely, 220313012124 is an apocalyptic number.
It is an amenable number.
20313012124 is a deficient number, since it is larger than the sum of its proper divisors (15360371580).
20313012124 is a wasteful number, since it uses less digits than its factorization.
20313012124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17944644 (or 17944642 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 20313012124 its reverse (42121031302), we get a palindrome (62434043426).
The spelling of 20313012124 in words is "twenty billion, three hundred thirteen million, twelve thousand, one hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •