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2890210122121 = 7412887160303
BaseRepresentation
bin101010000011101101111…
…100101001100110001001
3101020022010201020121102211
4222003231330221212021
5334323122242401441
610051424425225121
7415545046456420
oct52035574514611
911208121217384
102890210122121
11a148052a2513
123a81856321a1
1317c712a2261a
149dc5b9ac2b7
15502aad04a81
hex2a0edf29989

2890210122121 has 4 divisors (see below), whose sum is σ = 3303097282432. Its totient is φ = 2477322961812.

The previous prime is 2890210122119. The next prime is 2890210122131. The reversal of 2890210122121 is 1212210120982.

2890210122121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2890210122121 - 21 = 2890210122119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2890210122131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206443580145 + ... + 206443580158.

It is an arithmetic number, because the mean of its divisors is an integer number (825774320608).

Almost surely, 22890210122121 is an apocalyptic number.

It is an amenable number.

2890210122121 is a deficient number, since it is larger than the sum of its proper divisors (412887160311).

2890210122121 is an equidigital number, since it uses as much as digits as its factorization.

2890210122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412887160310.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 2890210122121 in words is "two trillion, eight hundred ninety billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 7 412887160303 2890210122121