Base | Representation |
---|---|
bin | 101111000010111100… |
… | …1100110000001011001 |
3 | 100122210000010010002011 |
4 | 1132011321212001121 |
5 | 3123402330343411 |
6 | 114225102505521 |
7 | 10204430624623 |
oct | 1360571460131 |
9 | 318700103064 |
10 | 101030715481 |
11 | 39935228983 |
12 | 176b6b952a1 |
13 | 96b1212467 |
14 | 4c65cc5c13 |
15 | 2964986c21 |
hex | 1785e66059 |
101030715481 has 2 divisors, whose sum is σ = 101030715482. Its totient is φ = 101030715480.
The previous prime is 101030715427. The next prime is 101030715497. The reversal of 101030715481 is 184517030101.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 100831651600 + 199063881 = 317540^2 + 14109^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101030715481 is a prime.
It is a super-2 number, since 2×1010307154812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (101030715581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515357740 + 50515357741.
It is an arithmetic number, because the mean of its divisors is an integer number (50515357741).
Almost surely, 2101030715481 is an apocalyptic number.
It is an amenable number.
101030715481 is a deficient number, since it is larger than the sum of its proper divisors (1).
101030715481 is an equidigital number, since it uses as much as digits as its factorization.
101030715481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3360, while the sum is 31.
Adding to 101030715481 its reverse (184517030101), we get a palindrome (285547745582).
The spelling of 101030715481 in words is "one hundred one billion, thirty million, seven hundred fifteen thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •