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102110122212 = 22374572659949
BaseRepresentation
bin101111100011000111…
…1001101000011100100
3100202120020012122202020
41133012033031003210
53133110142402322
6114524142143140
710243245501210
oct1370617150344
9322506178666
10102110122212
113a33955815a
1217958581ab0
139823a32977
144d293c3940
1529c960105c
hex17c63cd0e4

102110122212 has 48 divisors (see below), whose sum is σ = 272889590400. Its totient is φ = 29110470912.

The previous prime is 102110122211. The next prime is 102110122237. The reversal of 102110122212 is 212221011201.

It is a junction number, because it is equal to n+sod(n) for n = 102110122191 and 102110122200.

It is not an unprimeable number, because it can be changed into a prime (102110122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291587 + ... + 1368362.

It is an arithmetic number, because the mean of its divisors is an integer number (5685199800).

Almost surely, 2102110122212 is an apocalyptic number.

102110122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102110122212 is an abundant number, since it is smaller than the sum of its proper divisors (170779468188).

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

102110122212 is a wasteful number, since it uses less digits than its factorization.

102110122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660420 (or 2660418 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102110122212 its reverse (212221011201), we get a palindrome (314331133413).

The spelling of 102110122212 in words is "one hundred two billion, one hundred ten million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 457 914 1371 1828 2742 3199 5484 6398 9597 12796 19194 38388 2659949 5319898 7979847 10639796 15959694 18619643 31919388 37239286 55858929 74478572 111717858 223435716 1215596693 2431193386 3646790079 4862386772 7293580158 8509176851 14587160316 17018353702 25527530553 34036707404 51055061106 102110122212