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100423321231 = 2712237165653
BaseRepresentation
bin101110110000110110…
…0100100011010001111
3100121012200012021210211
41131201230210122033
53121131332234411
6114044524143251
710153404101122
oct1354154443217
9317180167724
10100423321231
113965338a662
1217567697b27
13961542808c
144c093763b9
15292b4a8221
hex1761b2468f

100423321231 has 8 divisors (see below), whose sum is σ = 100839553344. Its totient is φ = 100007425440.

The previous prime is 100423321171. The next prime is 100423321253. The reversal of 100423321231 is 132123324001.

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 100423321231 - 227 = 100289103503 is a prime.

It is a super-2 number, since 2×1004233212312 (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 (100423321331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523401 + ... + 689053.

It is an arithmetic number, because the mean of its divisors is an integer number (12604944168).

Almost surely, 2100423321231 is an apocalyptic number.

100423321231 is a deficient number, since it is larger than the sum of its proper divisors (416232113).

100423321231 is a wasteful number, since it uses less digits than its factorization.

100423321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168161.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 100423321231 its reverse (132123324001), we get a palindrome (232546645232).

The spelling of 100423321231 in words is "one hundred billion, four hundred twenty-three million, three hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 271 2237 165653 606227 44891963 370565761 100423321231