Base | Representation |
---|---|
bin | 101111000010101110… |
… | …1000100111101011111 |
3 | 100122202111001022200122 |
4 | 1132011131010331133 |
5 | 3123343422140111 |
6 | 114224234345155 |
7 | 10204310241410 |
oct | 1360535047537 |
9 | 318674038618 |
10 | 101023240031 |
11 | 39930a9251a |
12 | 176b458b1bb |
13 | 96ac7c5a0c |
14 | 4c64cdb807 |
15 | 2963eabcdb |
hex | 1785744f5f |
101023240031 has 4 divisors (see below), whose sum is σ = 115455131472. Its totient is φ = 86591348592.
The previous prime is 101023239943. The next prime is 101023240067. The reversal of 101023240031 is 130042320101.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 101023240031 - 214 = 101023223647 is a prime.
It is a super-2 number, since 2×1010232400312 (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 = 101023239991 and 101023240009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101023240091) 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, 7215945710 + ... + 7215945723.
It is an arithmetic number, because the mean of its divisors is an integer number (28863782868).
Almost surely, 2101023240031 is an apocalyptic number.
101023240031 is a deficient number, since it is larger than the sum of its proper divisors (14431891441).
101023240031 is an equidigital number, since it uses as much as digits as its factorization.
101023240031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14431891440.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 101023240031 its reverse (130042320101), we get a palindrome (231065560132).
The spelling of 101023240031 in words is "one hundred one billion, twenty-three million, two hundred forty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •