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2104122012 = 2231631075727
BaseRepresentation
bin111110101101010…
…0101101010011100
312102122021110202220
41331122211222130
513302123401022
6544442345340
7103066512336
oct17532455234
95378243686
102104122012
1198a7a4013
124a87bb250
13276c02115
1415d640456
15c4acd85c
hex7d6a5a9c

2104122012 has 24 divisors (see below), whose sum is σ = 4939742976. Its totient is φ = 697070448.

The previous prime is 2104121989. The next prime is 2104122019. The reversal of 2104122012 is 2102214012.

It is a junction number, because it is equal to n+sod(n) for n = 2104121982 and 2104122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104122019) 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, 535908 + ... + 539819.

It is an arithmetic number, because the mean of its divisors is an integer number (205822624).

Almost surely, 22104122012 is an apocalyptic number.

It is an amenable number.

2104122012 is an abundant number, since it is smaller than the sum of its proper divisors (2835620964).

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

2104122012 is a wasteful number, since it uses less digits than its factorization.

2104122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075897 (or 1075895 counting only the distinct ones).

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

The square root of 2104122012 is about 45870.7097394405. The cubic root of 2104122012 is about 1281.4164844713.

Adding to 2104122012 its reverse (2102214012), we get a palindrome (4206336024).

The spelling of 2104122012 in words is "two billion, one hundred four million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 1075727 2151454 3227181 4302908 6454362 12908724 175343501 350687002 526030503 701374004 1052061006 2104122012