Base | Representation |
---|---|
bin | 111100110111101110… |
… | …1010101000001101011 |
3 | 110111102000211010020101 |
4 | 1321233131111001223 |
5 | 4120203024300110 |
6 | 140015041210231 |
7 | 12305223660403 |
oct | 1715735250153 |
9 | 414360733211 |
10 | 130718978155 |
11 | 5048a501057 |
12 | 21401630977 |
13 | c432b2a1ac |
14 | 6480b83803 |
15 | 360103413a |
hex | 1e6f75506b |
130718978155 has 4 divisors (see below), whose sum is σ = 156862773792. Its totient is φ = 104575182520.
The previous prime is 130718978153. The next prime is 130718978167. The reversal of 130718978155 is 551879817031.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 130718978155 - 21 = 130718978153 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130718978096 and 130718978105.
It is not an unprimeable number, because it can be changed into a prime (130718978153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13071897811 + ... + 13071897820.
It is an arithmetic number, because the mean of its divisors is an integer number (39215693448).
Almost surely, 2130718978155 is an apocalyptic number.
130718978155 is a deficient number, since it is larger than the sum of its proper divisors (26143795637).
130718978155 is an equidigital number, since it uses as much as digits as its factorization.
130718978155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26143795636.
The product of its (nonzero) digits is 2116800, while the sum is 55.
The spelling of 130718978155 in words is "one hundred thirty billion, seven hundred eighteen million, nine hundred seventy-eight thousand, one hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •