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102133312028 = 221117136541861
BaseRepresentation
bin101111100011110011…
…1101010101000011100
3100202121211211211012022
41133013213222220130
53133132111441103
6114530331155312
710243646554046
oct1370747525034
9322554754168
10102133312028
113a350656aa0
12179642a5b38
139828791c57
144d2c4dca96
1529cb682138
hex17c79eaa1c

102133312028 has 24 divisors (see below), whose sum is σ = 206451295344. Its totient is φ = 43693395200.

The previous prime is 102133312027. The next prime is 102133312037. The reversal of 102133312028 is 820213331201.

It is a junction number, because it is equal to n+sod(n) for n = 102133311988 and 102133312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102133312027) 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, 68270183 + ... + 68271678.

It is an arithmetic number, because the mean of its divisors is an integer number (8602137306).

Almost surely, 2102133312028 is an apocalyptic number.

It is an amenable number.

102133312028 is an abundant number, since it is smaller than the sum of its proper divisors (104317983316).

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

102133312028 is a wasteful number, since it uses less digits than its factorization.

102133312028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136541893 (or 136541891 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 102133312028 its reverse (820213331201), we get a palindrome (922346643229).

The spelling of 102133312028 in words is "one hundred two billion, one hundred thirty-three million, three hundred twelve thousand, twenty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 136541861 273083722 546167444 1501960471 2321211637 3003920942 4642423274 6007841884 9284846548 25533328007 51066656014 102133312028