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100440112031 = 729494778877
BaseRepresentation
bin101110110001010110…
…0100111101110011111
3100121020211210100110022
41131202230213232133
53121200132041111
6114050324102355
710153666602650
oct1354254475637
9317224710408
10100440112031
1139661908856
12175712349bb
139618a5686c
144c0b6a7527
15292cbc32db
hex1762b27b9f

100440112031 has 8 divisors (see below), whose sum is σ = 118746930720. Its totient is φ = 83122851168.

The previous prime is 100440112021. The next prime is 100440112033. The reversal of 100440112031 is 130211044001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100440112031 - 226 = 100373003167 is a prime.

It is a super-2 number, since 2×1004401120312 (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 (100440112033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247389236 + ... + 247389641.

It is an arithmetic number, because the mean of its divisors is an integer number (14843366340).

Almost surely, 2100440112031 is an apocalyptic number.

100440112031 is a deficient number, since it is larger than the sum of its proper divisors (18306818689).

100440112031 is an equidigital number, since it uses as much as digits as its factorization.

100440112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494778913.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 100440112031 its reverse (130211044001), we get a palindrome (230651156032).

The spelling of 100440112031 in words is "one hundred billion, four hundred forty million, one hundred twelve thousand, thirty-one".

Divisors: 1 7 29 203 494778877 3463452139 14348587433 100440112031