Base | Representation |
---|---|
bin | 11101110101000010101011… |
… | …100010001111101010101101 |
3 | 122012111111002022001210201002 |
4 | 131311002223202033222231 |
5 | 114143342224344020104 |
6 | 1143003033342530045 |
7 | 36430021555244564 |
oct | 3565025342175255 |
9 | 565444068053632 |
10 | 131188358970029 |
11 | 38889741624199 |
12 | 12869223b96925 |
13 | 58280171b237a |
14 | 245779c62cbdb |
15 | 102779c2c001e |
hex | 7750ab88faad |
131188358970029 has 2 divisors, whose sum is σ = 131188358970030. Its totient is φ = 131188358970028.
The previous prime is 131188358969977. The next prime is 131188358970049. The reversal of 131188358970029 is 920079853881131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 101759068504900 + 29429290465129 = 10087570^2 + 5424877^2 .
It is an emirp because it is prime and its reverse (920079853881131) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131188358970029 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131188358970049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65594179485014 + 65594179485015.
It is an arithmetic number, because the mean of its divisors is an integer number (65594179485015).
Almost surely, 2131188358970029 is an apocalyptic number.
It is an amenable number.
131188358970029 is a deficient number, since it is larger than the sum of its proper divisors (1).
131188358970029 is an equidigital number, since it uses as much as digits as its factorization.
131188358970029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26127360, while the sum is 65.
The spelling of 131188358970029 in words is "one hundred thirty-one trillion, one hundred eighty-eight billion, three hundred fifty-eight million, nine hundred seventy thousand, twenty-nine".
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