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100100222231 = 195268432749
BaseRepresentation
bin101110100111001110…
…0000010110100010111
3100120101011020011022012
41131032130002310113
53120001124102411
6113552503054435
710142401564412
oct1351634026427
9316334204265
10100100222231
11394a7a69599
121749744141b
139593500439
144bb84acb79
15290ce3518b
hex174e702d17

100100222231 has 4 divisors (see below), whose sum is σ = 105368655000. Its totient is φ = 94831789464.

The previous prime is 100100222219. The next prime is 100100222249. The reversal of 100100222231 is 132222001001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100100222231 is a prime.

It is a super-2 number, since 2×1001002222312 (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 (100100228231) 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 3 ways as a sum of consecutive naturals, for example, 2634216356 + ... + 2634216393.

It is an arithmetic number, because the mean of its divisors is an integer number (26342163750).

Almost surely, 2100100222231 is an apocalyptic number.

100100222231 is a deficient number, since it is larger than the sum of its proper divisors (5268432769).

100100222231 is an equidigital number, since it uses as much as digits as its factorization.

100100222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268432768.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100100222231 its reverse (132222001001), we get a palindrome (232322223232).

The spelling of 100100222231 in words is "one hundred billion, one hundred million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 19 5268432749 100100222231