Search a number
-
+
3123211123130 = 25767665929877
BaseRepresentation
bin101101011100101101111…
…000111011100110111010
3102001120112221201211202212
4231130231320323212322
5402132314021420010
610350441113255122
7441434040344360
oct55345570734672
912046487654685
103123211123130
11aa460129116a
124253711044a2
1319869607b917
14ab2428c1630
1556396593505
hex2d72de3b9ba

3123211123130 has 32 divisors (see below), whose sum is σ = 6520785365376. Its totient is φ = 1054832923584.

The previous prime is 3123211123129. The next prime is 3123211123133. The reversal of 3123211123130 is 313211123213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3123211123096 and 3123211123105.

It is not an unprimeable number, because it can be changed into a prime (3123211123133) 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, 332960249 + ... + 332969628.

It is an arithmetic number, because the mean of its divisors is an integer number (203774542668).

Almost surely, 23123211123130 is an apocalyptic number.

3123211123130 is an abundant number, since it is smaller than the sum of its proper divisors (3397574242246).

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

3123211123130 is a wasteful number, since it uses less digits than its factorization.

3123211123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665929958.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3123211123130 its reverse (313211123213), we get a palindrome (3436422246343).

The spelling of 3123211123130 in words is "three trillion, one hundred twenty-three billion, two hundred eleven million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 67 70 134 335 469 670 938 2345 4690 665929877 1331859754 3329649385 4661509139 6659298770 9323018278 23307545695 44617301759 46615091390 89234603518 223086508795 312321112313 446173017590 624642224626 1561605561565 3123211123130