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3121200223103 = 15138356539547
BaseRepresentation
bin101101011010110110000…
…001111101001101111111
3102001101100210212112112002
4231122312001331031333
5402114204224114403
610345505400532515
7441333152104154
oct55326601751577
912041323775462
103121200223103
11aa376a17a216
12424aab78113b
13198435589151
14ab0d17ca22b
15562c9c7b188
hex2d6b607d37f

3121200223103 has 16 divisors (see below), whose sum is σ = 3150960992256. Its totient is φ = 3091563741600.

The previous prime is 3121200223087. The next prime is 3121200223147. The reversal of 3121200223103 is 3013220021213.

It is a cyclic number.

It is not a de Polignac number, because 3121200223103 - 24 = 3121200223087 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 (3121200225103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326925176 + ... + 326934722.

It is an arithmetic number, because the mean of its divisors is an integer number (196935062016).

Almost surely, 23121200223103 is an apocalyptic number.

3121200223103 is a deficient number, since it is larger than the sum of its proper divisors (29760769153).

3121200223103 is a wasteful number, since it uses less digits than its factorization.

3121200223103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15734.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3121200223103 its reverse (3013220021213), we get a palindrome (6134420244316).

The spelling of 3121200223103 in words is "three trillion, one hundred twenty-one billion, two hundred million, two hundred twenty-three thousand, one hundred three".

Divisors: 1 151 383 5653 9547 57833 853603 1441597 2165099 3656501 53969191 326929949 552131651 8149347841 20670200153 3121200223103