Search a number
-
+
20007338383 = 41487983863
BaseRepresentation
bin10010101000100001…
…111100000110001111
31220122100100002121201
4102220201330012033
5311433334312013
613105150410331
71305541366414
oct225041740617
956570302551
1020007338383
1185376914aa
123a645009a7
131b6b076b86
14d7b27610b
157c171a3dd
hex4a887c18f

20007338383 has 4 divisors (see below), whose sum is σ = 20495322288. Its totient is φ = 19519354480.

The previous prime is 20007338339. The next prime is 20007338387. The reversal of 20007338383 is 38383370002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20007338383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20007338387) 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, 243991891 + ... + 243991972.

It is an arithmetic number, because the mean of its divisors is an integer number (5123830572).

Almost surely, 220007338383 is an apocalyptic number.

20007338383 is a deficient number, since it is larger than the sum of its proper divisors (487983905).

20007338383 is an equidigital number, since it uses as much as digits as its factorization.

20007338383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487983904.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 20007338383 in words is "twenty billion, seven million, three hundred thirty-eight thousand, three hundred eighty-three".

Divisors: 1 41 487983863 20007338383