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100244442431 = 723663605191
BaseRepresentation
bin101110101011100001…
…0001100110100111111
3100120202012121022020002
41131113002030310333
53120300034124211
6114015054144515
710146102462440
oct1352702146477
9316665538202
10100244442431
1139571413341
12175177b213b
1395b7357633
144bcd6d12c7
15291a92203b
hex175708cd3f

100244442431 has 8 divisors (see below), whose sum is σ = 114570107904. Its totient is φ = 85920034680.

The previous prime is 100244442427. The next prime is 100244442469. The reversal of 100244442431 is 134244442001.

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

It is a cyclic number.

It is not a de Polignac number, because 100244442431 - 22 = 100244442427 is a prime.

It is a super-2 number, since 2×1002444424312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100244442394 and 100244442403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100244444431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136955 + ... + 468236.

It is an arithmetic number, because the mean of its divisors is an integer number (14321263488).

Almost surely, 2100244442431 is an apocalyptic number.

100244442431 is a deficient number, since it is larger than the sum of its proper divisors (14325665473).

100244442431 is an equidigital number, since it uses as much as digits as its factorization.

100244442431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628861.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 100244442431 its reverse (134244442001), we get a palindrome (234488884432).

The spelling of 100244442431 in words is "one hundred billion, two hundred forty-four million, four hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 7 23663 165641 605191 4236337 14320634633 100244442431