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103233231091 = 863119621357
BaseRepresentation
bin110000000100100101…
…1100001100011110011
3100212110111112111111101
41200021023201203303
53142410201343331
6115231422225231
710313133662134
oct1401113414363
9325414474441
10103233231091
113a865516511
1218010725217
139972614b33
144dd4619c8b
152a42eee061
hex18092e18f3

103233231091 has 4 divisors (see below), whose sum is σ = 103352853312. Its totient is φ = 103113608872.

The previous prime is 103233231077. The next prime is 103233231097. The reversal of 103233231091 is 190132332301.

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 103233231091 - 219 = 103232706803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103233231097) 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, 59809816 + ... + 59811541.

It is an arithmetic number, because the mean of its divisors is an integer number (25838213328).

Almost surely, 2103233231091 is an apocalyptic number.

103233231091 is a deficient number, since it is larger than the sum of its proper divisors (119622221).

103233231091 is an equidigital number, since it uses as much as digits as its factorization.

103233231091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119622220.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 103233231091 its reverse (190132332301), we get a palindrome (293365563392).

The spelling of 103233231091 in words is "one hundred three billion, two hundred thirty-three million, two hundred thirty-one thousand, ninety-one".

Divisors: 1 863 119621357 103233231091