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3121200229 = 71823244589
BaseRepresentation
bin1011101000001001…
…1011110001100101
322001112002101210111
42322002123301211
522343011401404
61233414053021
7140226523060
oct27202336145
98045071714
103121200229
111361921a24
1273134a171
133a983b854
142187558d7
15134035104
hexba09bc65

3121200229 has 8 divisors (see below), whose sum is σ = 3569057280. Its totient is φ = 2673836016.

The previous prime is 3121200223. The next prime is 3121200259. The reversal of 3121200229 is 9220021213.

3121200229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121200229 - 215 = 3121167461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121200223) 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, 109534 + ... + 135055.

It is an arithmetic number, because the mean of its divisors is an integer number (446132160).

Almost surely, 23121200229 is an apocalyptic number.

It is an amenable number.

3121200229 is a deficient number, since it is larger than the sum of its proper divisors (447857051).

3121200229 is a wasteful number, since it uses less digits than its factorization.

3121200229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246419.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3121200229 is about 55867.7029150116. The cubic root of 3121200229 is about 1461.4160635558.

The spelling of 3121200229 in words is "three billion, one hundred twenty-one million, two hundred thousand, two hundred twenty-nine".

Divisors: 1 7 1823 12761 244589 1712123 445885747 3121200229