Search a number
-
+
20032011313 = 107187215059
BaseRepresentation
bin10010101010000000…
…000011110000110001
31220201001202121111221
4102222000003300301
5312011143330223
613111431305041
71306261200226
oct225200036061
956631677457
1020032011313
11854a603656
123a7081b181
131b73205242
14d8065994d
157c3990b5d
hex4aa003c31

20032011313 has 4 divisors (see below), whose sum is σ = 20219226480. Its totient is φ = 19844796148.

The previous prime is 20032011301. The next prime is 20032011317. The reversal of 20032011313 is 31311023002.

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-20032011313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032011317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93607423 + ... + 93607636.

It is an arithmetic number, because the mean of its divisors is an integer number (5054806620).

Almost surely, 220032011313 is an apocalyptic number.

It is an amenable number.

20032011313 is a deficient number, since it is larger than the sum of its proper divisors (187215167).

20032011313 is a wasteful number, since it uses less digits than its factorization.

20032011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187215166.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20032011313 its reverse (31311023002), we get a palindrome (51343034315).

The spelling of 20032011313 in words is "twenty billion, thirty-two million, eleven thousand, three hundred thirteen".

Divisors: 1 107 187215059 20032011313