Base | Representation |
---|---|
bin | 111100100101111000… |
… | …1001101101111000001 |
3 | 110102212022010121122122 |
4 | 1321023301031233001 |
5 | 4112441233231033 |
6 | 135435411414025 |
7 | 12254333355614 |
oct | 1711361155701 |
9 | 412768117578 |
10 | 130120211393 |
11 | 50202515797 |
12 | 21274bb4315 |
13 | c368a73a33 |
14 | 642543c17b |
15 | 35b86aba98 |
hex | 1e4bc4dbc1 |
130120211393 has 2 divisors, whose sum is σ = 130120211394. Its totient is φ = 130120211392.
The previous prime is 130120211387. The next prime is 130120211461. The reversal of 130120211393 is 393112021031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 129821854864 + 298356529 = 360308^2 + 17273^2 .
It is an emirp because it is prime and its reverse (393112021031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130120211393 - 218 = 130119949249 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (130120211323) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060105696 + 65060105697.
It is an arithmetic number, because the mean of its divisors is an integer number (65060105697).
Almost surely, 2130120211393 is an apocalyptic number.
It is an amenable number.
130120211393 is a deficient number, since it is larger than the sum of its proper divisors (1).
130120211393 is an equidigital number, since it uses as much as digits as its factorization.
130120211393 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 972, while the sum is 26.
The spelling of 130120211393 in words is "one hundred thirty billion, one hundred twenty million, two hundred eleven thousand, three hundred ninety-three".
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