Base | Representation |
---|---|
bin | 101111001000111011… |
… | …0000000110001111111 |
3 | 100200021222011212012221 |
4 | 1132101312000301333 |
5 | 3124310130244403 |
6 | 114301021510211 |
7 | 10212413115244 |
oct | 1362166006177 |
9 | 320258155187 |
10 | 101231103103 |
11 | 39a28356089 |
12 | 17752112367 |
13 | 97138a4010 |
14 | 4c847695cb |
15 | 297736adbd |
hex | 1791d80c7f |
101231103103 has 4 divisors (see below), whose sum is σ = 109018111048. Its totient is φ = 93444095160.
The previous prime is 101231103091. The next prime is 101231103109. The reversal of 101231103103 is 301301132101.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-101231103103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101231103109) 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, 3893503953 + ... + 3893503978.
It is an arithmetic number, because the mean of its divisors is an integer number (27254527762).
Almost surely, 2101231103103 is an apocalyptic number.
101231103103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
101231103103 is a deficient number, since it is larger than the sum of its proper divisors (7787007945).
101231103103 is an equidigital number, since it uses as much as digits as its factorization.
101231103103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7787007944.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 101231103103 its reverse (301301132101), we get a palindrome (402532235204).
The spelling of 101231103103 in words is "one hundred one billion, two hundred thirty-one million, one hundred three thousand, one hundred three".
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