Base | Representation |
---|---|
bin | 111100100101111000… |
… | …0100001111001011101 |
3 | 110102212021210111100102 |
4 | 1321023300201321131 |
5 | 4112441212004322 |
6 | 135435403510445 |
7 | 12254332010255 |
oct | 1711360417135 |
9 | 412767714312 |
10 | 130120031837 |
11 | 502024028a4 |
12 | 21274b28425 |
13 | c368a100a3 |
14 | 64253d2965 |
15 | 35b8673792 |
hex | 1e4bc21e5d |
130120031837 has 2 divisors, whose sum is σ = 130120031838. Its totient is φ = 130120031836.
The previous prime is 130120031807. The next prime is 130120031917. The reversal of 130120031837 is 738130021031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 77848812196 + 52271219641 = 279014^2 + 228629^2 .
It is a cyclic number.
It is not a de Polignac number, because 130120031837 - 220 = 130118983261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130120031807) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060015918 + 65060015919.
It is an arithmetic number, because the mean of its divisors is an integer number (65060015919).
Almost surely, 2130120031837 is an apocalyptic number.
It is an amenable number.
130120031837 is a deficient number, since it is larger than the sum of its proper divisors (1).
130120031837 is an equidigital number, since it uses as much as digits as its factorization.
130120031837 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 29.
Adding to 130120031837 its reverse (738130021031), we get a palindrome (868250052868).
The spelling of 130120031837 in words is "one hundred thirty billion, one hundred twenty million, thirty-one thousand, eight hundred thirty-seven".
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