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102102012112 = 2421165945893
BaseRepresentation
bin101111100010111000…
…0010001000011010000
3100202112122221121210011
41133011300101003100
53133101103341422
6114523252244304
710243116532462
oct1370560210320
9322478847704
10102102012112
113a334a189a1
1217955910694
1398221533a9
144d282b2132
1529c8a4d077
hex17c5c110d0

102102012112 has 40 divisors (see below), whose sum is σ = 199066142880. Its totient is φ = 50730852480.

The previous prime is 102102012079. The next prime is 102102012149. The reversal of 102102012112 is 211210201201.

It is a junction number, because it is equal to n+sod(n) for n = 102102012092 and 102102012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201838 + ... + 2247730.

It is an arithmetic number, because the mean of its divisors is an integer number (4976653572).

Almost surely, 2102102012112 is an apocalyptic number.

It is an amenable number.

102102012112 is a deficient number, since it is larger than the sum of its proper divisors (96964130768).

102102012112 is a wasteful number, since it uses less digits than its factorization.

102102012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46771 (or 46765 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102102012112 its reverse (211210201201), we get a palindrome (313312213313).

The spelling of 102102012112 in words is "one hundred two billion, one hundred two million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 211 422 659 844 1318 1688 2636 3376 5272 10544 45893 91786 139049 183572 278098 367144 556196 734288 1112392 2224784 9683423 19366846 30243487 38733692 60486974 77467384 120973948 154934768 241947896 483895792 6381375757 12762751514 25525503028 51051006056 102102012112