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101001111102 = 2327277718257
BaseRepresentation
bin101111000010000100…
…0101010011000111110
3100122200221102001111200
41132010020222120332
53123322241023402
6114222124200330
710203621164523
oct1360410523076
9318627361450
10101001111102
113991a548751
12176a90990a6
1396a8048588
144c61dbb14a
15296208a21c
hex178422a63e

101001111102 has 24 divisors (see below), whose sum is σ = 219136781136. Its totient is φ = 33620723136.

The previous prime is 101001111097. The next prime is 101001111143. The reversal of 101001111102 is 201111100101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3846043 + ... + 3872214.

It is an arithmetic number, because the mean of its divisors is an integer number (9130699214).

Almost surely, 2101001111102 is an apocalyptic number.

101001111102 is an abundant number, since it is smaller than the sum of its proper divisors (118135670034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101001111102 is a wasteful number, since it uses less digits than its factorization.

101001111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718992 (or 7718989 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 101001111102 its reverse (201111100101), we get a palindrome (302112211203).

The spelling of 101001111102 in words is "one hundred one billion, one million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 9 18 727 1454 2181 4362 6543 13086 7718257 15436514 23154771 46309542 69464313 138928626 5611172839 11222345678 16833518517 33667037034 50500555551 101001111102