Search a number
-
+
212351703037 = 1911176405423
BaseRepresentation
bin1100010111000100100…
…1011101011111111101
3202022010011012012201021
43011301021131133331
511434344013444122
6241315241544141
721225162460015
oct3056111353775
9668104165637
10212351703037
1182070000541
12351a41a5051
13170422b50b6
14a3c66d0c45
1557cca181c7
hex317125d7fd

212351703037 has 4 divisors (see below), whose sum is σ = 223528108480. Its totient is φ = 201175297596.

The previous prime is 212351703023. The next prime is 212351703073. The reversal of 212351703037 is 730307153212.

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 a de Polignac number, because none of the positive numbers 2k-212351703037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212351702993 and 212351703011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212351703737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5588202693 + ... + 5588202730.

It is an arithmetic number, because the mean of its divisors is an integer number (55882027120).

Almost surely, 2212351703037 is an apocalyptic number.

It is an amenable number.

212351703037 is a deficient number, since it is larger than the sum of its proper divisors (11176405443).

212351703037 is a wasteful number, since it uses less digits than its factorization.

212351703037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176405442.

The product of its (nonzero) digits is 26460, while the sum is 34.

Adding to 212351703037 its reverse (730307153212), we get a palindrome (942658856249).

The spelling of 212351703037 in words is "two hundred twelve billion, three hundred fifty-one million, seven hundred three thousand, thirty-seven".

Divisors: 1 19 11176405423 212351703037