Search a number
-
+
201303111223013 = 2937187607745781
BaseRepresentation
bin101101110001010110001000…
…011011111100011011100101
3222101202101111221022000102112
4231301112020123330123211
5202341122232433114023
61552045212253250405
760254445520046222
oct5561261033743345
9871671457260375
10201303111223013
1159161196362428
121a6b1a84793a05
138842a56b10787
14379d1a0488949
1518415511c8478
hexb715886fc6e5

201303111223013 has 8 divisors (see below), whose sum is σ = 213872830191480. Its totient is φ = 189108607746240.

The previous prime is 201303111222989. The next prime is 201303111223043. The reversal of 201303111223013 is 310322111303102.

It can be written as a sum of positive squares in 4 ways, for example, as 17749984103329 + 183553127119684 = 4213073^2 + 13548178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201303111223013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201303111223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201303111223043) 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, 93803871818 + ... + 93803873963.

It is an arithmetic number, because the mean of its divisors is an integer number (26734103773935).

Almost surely, 2201303111223013 is an apocalyptic number.

It is an amenable number.

201303111223013 is a deficient number, since it is larger than the sum of its proper divisors (12569718968467).

201303111223013 is a wasteful number, since it uses less digits than its factorization.

201303111223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187607745847.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 201303111223013 its reverse (310322111303102), we get a palindrome (511625222526115).

The spelling of 201303111223013 in words is "two hundred one trillion, three hundred three billion, one hundred eleven million, two hundred twenty-three thousand, thirteen".

Divisors: 1 29 37 1073 187607745781 5440624627649 6941486593897 201303111223013