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1010101112 = 23671884517
BaseRepresentation
bin111100001101001…
…110101101111000
32121101200110020022
4330031032231320
54032041213422
6244121550012
734013501126
oct7415165570
92541613208
101010101112
114791a2a09
12242345308
13131365a87
149821a916
155da29342
hex3c34eb78

1010101112 has 16 divisors (see below), whose sum is σ = 1922208360. Its totient is φ = 497512224.

The previous prime is 1010101109. The next prime is 1010101177. The reversal of 1010101112 is 2111010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1010101112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941723 + ... + 942794.

Almost surely, 21010101112 is an apocalyptic number.

It is an amenable number.

1010101112 is a deficient number, since it is larger than the sum of its proper divisors (912107248).

1010101112 is a wasteful number, since it uses less digits than its factorization.

1010101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884590 (or 1884586 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1010101112 is about 31782.0879112748. The cubic root of 1010101112 is about 1003.3557635875.

Adding to 1010101112 its reverse (2111010101), we get a palindrome (3121111213).

The spelling of 1010101112 in words is "one billion, ten million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 67 134 268 536 1884517 3769034 7538068 15076136 126262639 252525278 505050556 1010101112