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100222100988 = 22380910323661
BaseRepresentation
bin101110101010110110…
…0111110010111111100
3100120200122120020112020
41131111230332113330
53120223324212423
6114012535240140
710145411542152
oct1352554762774
9316618506466
10100222100988
113955a843939
1217510219050
1395b2834549
144bca7573d2
1529189ac4e3
hex1755b3e5fc

100222100988 has 24 divisors (see below), whose sum is σ = 234140654160. Its totient is φ = 33366069120.

The previous prime is 100222100983. The next prime is 100222101011. The reversal of 100222100988 is 889001222001.

It is a super-2 number, since 2×1002221009882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222100981) 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, 5152123 + ... + 5171538.

It is an arithmetic number, because the mean of its divisors is an integer number (9755860590).

Almost surely, 2100222100988 is an apocalyptic number.

It is an amenable number.

100222100988 is an abundant number, since it is smaller than the sum of its proper divisors (133918553172).

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

100222100988 is a wasteful number, since it uses less digits than its factorization.

100222100988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324477 (or 10324475 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

Adding to 100222100988 its reverse (889001222001), we get a palindrome (989223322989).

The spelling of 100222100988 in words is "one hundred billion, two hundred twenty-two million, one hundred thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 809 1618 2427 3236 4854 9708 10323661 20647322 30970983 41294644 61941966 123883932 8351841749 16703683498 25055525247 33407366996 50111050494 100222100988