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103242431242 = 21132112165047
BaseRepresentation
bin110000000100110111…
…0100111101100001010
3100212111010211220201201
41200021232213230022
53142420030244432
6115232351334414
710313305120546
oct1401156475412
9325433756651
10103242431242
113a86a72a745
121801382140a
1399744b6602
144dd5932a26
152a43c19ee7
hex1809ba7b0a

103242431242 has 16 divisors (see below), whose sum is σ = 156974640192. Its totient is φ = 50921881920.

The previous prime is 103242431233. The next prime is 103242431291. The reversal of 103242431242 is 242134242301.

It is a self number, because there is not a number n which added to its sum of digits gives 103242431242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034838 + ... + 1130209.

It is an arithmetic number, because the mean of its divisors is an integer number (9810915012).

Almost surely, 2103242431242 is an apocalyptic number.

103242431242 is a deficient number, since it is larger than the sum of its proper divisors (53732208950).

103242431242 is a wasteful number, since it uses less digits than its factorization.

103242431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165373.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 103242431242 its reverse (242134242301), we get a palindrome (345376673543).

The spelling of 103242431242 in words is "one hundred three billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 113 211 226 422 23843 47686 2165047 4330094 244650311 456824917 489300622 913649834 51621215621 103242431242