Base | Representation |
---|---|
bin | 111100100101111000… |
… | …1110110010100011111 |
3 | 110102212022110001200121 |
4 | 1321023301312110133 |
5 | 4112441304041011 |
6 | 135435415135411 |
7 | 12254334650356 |
oct | 1711361662437 |
9 | 412768401617 |
10 | 130120377631 |
11 | 50202619682 |
12 | 21275074567 |
13 | c368b015ba |
14 | 642548299d |
15 | 35b86e0e71 |
hex | 1e4bc7651f |
130120377631 has 8 divisors (see below), whose sum is σ = 136480489920. Its totient is φ = 123909915168.
The previous prime is 130120377623. The next prime is 130120377641. The reversal of 130120377631 is 136773021031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130120377631 - 23 = 130120377623 is a prime.
It is a super-2 number, since 2×1301203776312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130120377601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37410676 + ... + 37414153.
It is an arithmetic number, because the mean of its divisors is an integer number (17060061240).
Almost surely, 2130120377631 is an apocalyptic number.
130120377631 is a deficient number, since it is larger than the sum of its proper divisors (6360112289).
130120377631 is an equidigital number, since it uses as much as digits as its factorization.
130120377631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74824913.
The product of its (nonzero) digits is 15876, while the sum is 34.
Adding to 130120377631 its reverse (136773021031), we get a palindrome (266893398662).
The spelling of 130120377631 in words is "one hundred thirty billion, one hundred twenty million, three hundred seventy-seven thousand, six hundred thirty-one".
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