Base | Representation |
---|---|
bin | 111100100010101… |
… | …0000001011100010 |
3 | 12020120110211112121 |
4 | 1321011100023202 |
5 | 13130020421010 |
6 | 533324214454 |
7 | 101224533445 |
oct | 17105201342 |
9 | 5216424477 |
10 | 2031420130 |
11 | 952758013 |
12 | 48839a42a |
13 | 264b2885c |
14 | 153b1765c |
15 | bd51c3da |
hex | 791502e2 |
2031420130 has 16 divisors (see below), whose sum is σ = 3782644920. Its totient is φ = 784548352.
The previous prime is 2031420113. The next prime is 2031420133. The reversal of 2031420130 is 310241302.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 2009639241 + 21780889 = 44829^2 + 4667^2 .
It is not an unprimeable number, because it can be changed into a prime (2031420133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3502159 + ... + 3502738.
Almost surely, 22031420130 is an apocalyptic number.
2031420130 is a deficient number, since it is larger than the sum of its proper divisors (1751224790).
2031420130 is a wasteful number, since it uses less digits than its factorization.
2031420130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7004933.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 2031420130 is about 45071.2783266683. The cubic root of 2031420130 is about 1266.4846114926.
Adding to 2031420130 its reverse (310241302), we get a palindrome (2341661432).
The spelling of 2031420130 in words is "two billion, thirty-one million, four hundred twenty thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •