Search a number
-
+
130312320211 = 1918553369673
BaseRepresentation
bin111100101011100111…
…0000011010011010011
3110110100200121202102001
41321113032003103103
54113334423221321
6135510433134431
712262155305623
oct1712716032323
9413320552361
10130312320211
11502a09a8a07
12213093ba417
13c3997c72a8
146442b68883
1535ca4a7c91
hex1e573834d3

130312320211 has 8 divisors (see below), whose sum is σ = 137178627920. Its totient is φ = 123446788992.

The previous prime is 130312320209. The next prime is 130312320227. The reversal of 130312320211 is 112023213031.

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 130312320211 - 21 = 130312320209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130312320241) 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, 167671 + ... + 537343.

It is an arithmetic number, because the mean of its divisors is an integer number (17147328490).

Almost surely, 2130312320211 is an apocalyptic number.

130312320211 is a deficient number, since it is larger than the sum of its proper divisors (6866307709).

130312320211 is a wasteful number, since it uses less digits than its factorization.

130312320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388245.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 130312320211 its reverse (112023213031), we get a palindrome (242335533242).

The spelling of 130312320211 in words is "one hundred thirty billion, three hundred twelve million, three hundred twenty thousand, two hundred eleven".

Divisors: 1 19 18553 352507 369673 7023787 6858543169 130312320211