Base | Representation |
---|---|
bin | 101111101100000101… |
… | …1000100111110011111 |
3 | 100210100012102101020002 |
4 | 1133120023010332133 |
5 | 3134214210433211 |
6 | 115014051444515 |
7 | 10253561252513 |
oct | 1373013047637 |
9 | 323305371202 |
10 | 102411030431 |
11 | 3a4833a1a36 |
12 | 17a212b673b |
13 | 987118ac78 |
14 | 4d57352143 |
15 | 29e5c3e03b |
hex | 17d82c4f9f |
102411030431 has 4 divisors (see below), whose sum is σ = 106863683952. Its totient is φ = 97958376912.
The previous prime is 102411030391. The next prime is 102411030473. The reversal of 102411030431 is 134030114201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134030114201 = 31 ⋅4323552071.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102411030431 is a prime.
It is a super-2 number, since 2×1024110304312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102411035431) 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, 2226326726 + ... + 2226326771.
It is an arithmetic number, because the mean of its divisors is an integer number (26715920988).
Almost surely, 2102411030431 is an apocalyptic number.
102411030431 is a deficient number, since it is larger than the sum of its proper divisors (4452653521).
102411030431 is an equidigital number, since it uses as much as digits as its factorization.
102411030431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4452653520.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 102411030431 its reverse (134030114201), we get a palindrome (236441144632).
The spelling of 102411030431 in words is "one hundred two billion, four hundred eleven million, thirty thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •