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10200111102 = 2323118279769
BaseRepresentation
bin10010111111111100…
…10101011111111110
3222022212022022221200
421133332111133332
5131342212023402
64404051440330
7510524341146
oct113776253776
928285268850
1010200111102
114364773495
121b87bb60a6
13c672b31cc
146ca973926
153ea73a21c
hex25ff957fe

10200111102 has 24 divisors (see below), whose sum is σ = 22813152960. Its totient is φ = 3290358240.

The previous prime is 10200111083. The next prime is 10200111121. The reversal of 10200111102 is 20111100201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10200111083) and next prime (10200111121).

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9139327 + ... + 9140442.

It is an arithmetic number, because the mean of its divisors is an integer number (950548040).

Almost surely, 210200111102 is an apocalyptic number.

10200111102 is an abundant number, since it is smaller than the sum of its proper divisors (12613041858).

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

10200111102 is a wasteful number, since it uses less digits than its factorization.

10200111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18279808 (or 18279805 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10200111102 its reverse (20111100201), we get a palindrome (30311211303).

The spelling of 10200111102 in words is "ten billion, two hundred million, one hundred eleven thousand, one hundred two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 18279769 36559538 54839307 109678614 164517921 329035842 566672839 1133345678 1700018517 3400037034 5100055551 10200111102