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102112020222 = 23791072013329
BaseRepresentation
bin101111100011001011…
…0011100011011111110
3100202120100210002022220
41133012112130123332
53133111134121342
6114524250550210
710243300564602
oct1370626343376
9322510702286
10102112020222
113a33a634163
1217959138366
139824248854
144d29759502
1529c98785ec
hex17c659c6fe

102112020222 has 32 divisors (see below), whose sum is σ = 208742054400. Its totient is φ = 33292391808.

The previous prime is 102112020221. The next prime is 102112020253. The reversal of 102112020222 is 222020211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955947 + ... + 1057382.

It is an arithmetic number, because the mean of its divisors is an integer number (6523189200).

Almost surely, 2102112020222 is an apocalyptic number.

102112020222 is an abundant number, since it is smaller than the sum of its proper divisors (106630034178).

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

102112020222 is a wasteful number, since it uses less digits than its factorization.

102112020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013520.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102112020222 its reverse (222020211201), we get a palindrome (324132231423).

The spelling of 102112020222 in words is "one hundred two billion, one hundred twelve million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 79 107 158 214 237 321 474 642 8453 16906 25359 50718 2013329 4026658 6039987 12079974 159052991 215426203 318105982 430852406 477158973 646278609 954317946 1292557218 17018670037 34037340074 51056010111 102112020222