Search a number
-
+
100210111100 = 2252114367103307
BaseRepresentation
bin101110101010011111…
…1001111001001111100
3100120122211000002111022
41131110333033021330
53120212242023400
6114011430243312
710145204614211
oct1352477171174
9316584002438
10100210111100
1139553aa4740
12175081b6538
1395b01c7038
144bc8d15b08
1529178deb85
hex1754fcf27c

100210111100 has 288 divisors, whose sum is σ = 249566693376. Its totient is φ = 34607865600.

The previous prime is 100210111063. The next prime is 100210111109. The reversal of 100210111100 is 1111012001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100210111109) 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 95 ways as a sum of consecutive naturals, for example, 326417147 + ... + 326417453.

Almost surely, 2100210111100 is an apocalyptic number.

100210111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100210111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124783346688).

100210111100 is an abundant number, since it is smaller than the sum of its proper divisors (149356582276).

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

100210111100 is a wasteful number, since it uses less digits than its factorization.

100210111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100210111100 its reverse (1111012001), we get a palindrome (101321123101).

Subtracting from 100210111100 its reverse (1111012001), we obtain a palindrome (99099099099).

The spelling of 100210111100 in words is "one hundred billion, two hundred ten million, one hundred eleven thousand, one hundred".