Base | Representation |
---|---|
bin | 110111111100111101… |
… | …0111110101111100111 |
3 | 102111010221210101012212 |
4 | 1233321322332233213 |
5 | 3432040204331002 |
6 | 131111023434035 |
7 | 11452414353563 |
oct | 1577172765747 |
9 | 374127711185 |
10 | 120157105127 |
11 | 46a5a60a574 |
12 | 1b35445591b |
13 | b43b903297 |
14 | 5b5c1606a3 |
15 | 31d3b8a352 |
hex | 1bf9ebebe7 |
120157105127 has 2 divisors, whose sum is σ = 120157105128. Its totient is φ = 120157105126.
The previous prime is 120157105111. The next prime is 120157105139. The reversal of 120157105127 is 721501751021.
It is a strong prime.
It is an emirp because it is prime and its reverse (721501751021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120157105127 - 24 = 120157105111 is a prime.
It is a super-2 number, since 2×1201571051272 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120157105093 and 120157105102.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120157105157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60078552563 + 60078552564.
It is an arithmetic number, because the mean of its divisors is an integer number (60078552564).
Almost surely, 2120157105127 is an apocalyptic number.
120157105127 is a deficient number, since it is larger than the sum of its proper divisors (1).
120157105127 is an equidigital number, since it uses as much as digits as its factorization.
120157105127 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4900, while the sum is 32.
Adding to 120157105127 its reverse (721501751021), we get a palindrome (841658856148).
The spelling of 120157105127 in words is "one hundred twenty billion, one hundred fifty-seven million, one hundred five thousand, one hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •