Base | Representation |
---|---|
bin | 10010101111001111… |
… | …110101000001000110 |
3 | 1220221012101111020112 |
4 | 102233033311001012 |
5 | 312201212000202 |
6 | 13124254033022 |
7 | 1311410305250 |
oct | 225717650106 |
9 | 56835344215 |
10 | 20120031302 |
11 | 8595262348 |
12 | 3a961a8772 |
13 | 1b88512b87 |
14 | d8c20ccd0 |
15 | 7cb57ab52 |
hex | 4af3f5046 |
20120031302 has 8 divisors (see below), whose sum is σ = 34491482256. Its totient is φ = 8622870552.
The previous prime is 20120031293. The next prime is 20120031317. The reversal of 20120031302 is 20313002102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1437145093 = 20120031302 / (2 + 0 + 1 + 2 + 0 + 0 + 3 + 1 + 3 + 0 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718572533 + ... + 718572560.
It is an arithmetic number, because the mean of its divisors is an integer number (4311435282).
Almost surely, 220120031302 is an apocalyptic number.
20120031302 is a deficient number, since it is larger than the sum of its proper divisors (14371450954).
20120031302 is a wasteful number, since it uses less digits than its factorization.
20120031302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1437145102.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20120031302 its reverse (20313002102), we get a palindrome (40433033404).
The spelling of 20120031302 in words is "twenty billion, one hundred twenty million, thirty-one thousand, three hundred two".
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