Base | Representation |
---|---|
bin | 101111000110101010… |
… | …0110110100000110111 |
3 | 100200002200112201212121 |
4 | 1132031110312200313 |
5 | 3124131224121211 |
6 | 114245313100411 |
7 | 10210502606152 |
oct | 1361524664067 |
9 | 320080481777 |
10 | 101155301431 |
11 | 39999592178 |
12 | 17730857707 |
13 | 9700c83862 |
14 | 4c78676c99 |
15 | 2970896271 |
hex | 178d536837 |
101155301431 has 4 divisors (see below), whose sum is σ = 101799602872. Its totient is φ = 100510999992.
The previous prime is 101155301413. The next prime is 101155301477. The reversal of 101155301431 is 134103551101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 101155301431 - 29 = 101155300919 is a prime.
It is a super-2 number, since 2×1011553014312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101155301396 and 101155301405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101155301531) 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, 322150485 + ... + 322150798.
It is an arithmetic number, because the mean of its divisors is an integer number (25449900718).
Almost surely, 2101155301431 is an apocalyptic number.
101155301431 is a deficient number, since it is larger than the sum of its proper divisors (644301441).
101155301431 is an equidigital number, since it uses as much as digits as its factorization.
101155301431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 644301440.
The product of its (nonzero) digits is 900, while the sum is 25.
Adding to 101155301431 its reverse (134103551101), we get a palindrome (235258852532).
The spelling of 101155301431 in words is "one hundred one billion, one hundred fifty-five million, three hundred one thousand, four hundred thirty-one".
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