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102011112200 = 2352510055561
BaseRepresentation
bin101111100000001010…
…1100000101100001000
3100202022022220102112202
41133000111200230020
53132404321042300
6114510244055332
710240634101244
oct1370025405410
9322268812482
10102011112200
113a2986824a8
121792b394548
13980937796a
144d1a1ad424
1529c0a94ad5
hex17c0560b08

102011112200 has 24 divisors (see below), whose sum is σ = 237175836330. Its totient is φ = 40804444800.

The previous prime is 102011112193. The next prime is 102011112223. The reversal of 102011112200 is 2211110201.

It can be written as a sum of positive squares in 3 ways, for example, as 62877568516 + 39133543684 = 250754^2 + 197822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255027581 + ... + 255027980.

Almost surely, 2102011112200 is an apocalyptic number.

102011112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011112200 is an abundant number, since it is smaller than the sum of its proper divisors (135164724130).

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

102011112200 is a wasteful number, since it uses less digits than its factorization.

102011112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510055577 (or 510055568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102011112200 its reverse (2211110201), we get a palindrome (104222222401).

The spelling of 102011112200 in words is "one hundred two billion, eleven million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 510055561 1020111122 2040222244 2550277805 4080444488 5100555610 10201111220 12751389025 20402222440 25502778050 51005556100 102011112200