Search a number
-
+
40231201013 = 123132681723
BaseRepresentation
bin100101011101111101…
…110110100011110101
310211211210002202122222
4211131331312203311
51124343141413023
630252034132125
72622652365143
oct453575664365
9124753082588
1040231201013
1116075511863
127969421045
133a41c423b3
141d39192593
1510a6e55cc8
hex95df768f5

40231201013 has 4 divisors (see below), whose sum is σ = 40263883968. Its totient is φ = 40198518060.

The previous prime is 40231201007. The next prime is 40231201051. The reversal of 40231201013 is 31010213204.

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-40231201013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40231200982 and 40231201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231201313) 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, 16339631 + ... + 16342092.

It is an arithmetic number, because the mean of its divisors is an integer number (10065970992).

Almost surely, 240231201013 is an apocalyptic number.

It is an amenable number.

40231201013 is a deficient number, since it is larger than the sum of its proper divisors (32682955).

40231201013 is a wasteful number, since it uses less digits than its factorization.

40231201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32682954.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 40231201013 its reverse (31010213204), we get a palindrome (71241414217).

The spelling of 40231201013 in words is "forty billion, two hundred thirty-one million, two hundred one thousand, thirteen".

Divisors: 1 1231 32681723 40231201013