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383205118213 = 739754117373
BaseRepresentation
bin1011001001110001100…
…11100001000100000101
31100122010020000222101001
411210320303201010011
522234301002240323
6452013023333301
736454115522041
oct5447063410405
91318106028331
10383205118213
11138575332105
1262326751231
132a19cca4a78
1414793839021
159e7c23c3ad
hex5938ce1105

383205118213 has 8 divisors (see below), whose sum is σ = 392459196248. Its totient is φ = 374059275264.

The previous prime is 383205118201. The next prime is 383205118249. The reversal of 383205118213 is 312811502383.

It can be written as a sum of positive squares in 4 ways, for example, as 80316693604 + 302888424609 = 283402^2 + 550353^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 383205118213 - 229 = 382668247301 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 (383205115213) 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, 27051606 + ... + 27065767.

It is an arithmetic number, because the mean of its divisors is an integer number (49057399531).

Almost surely, 2383205118213 is an apocalyptic number.

It is an amenable number.

383205118213 is a deficient number, since it is larger than the sum of its proper divisors (9254078035).

383205118213 is an equidigital number, since it uses as much as digits as its factorization.

383205118213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54117543.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 383205118213 in words is "three hundred eighty-three billion, two hundred five million, one hundred eighteen thousand, two hundred thirteen".

Divisors: 1 73 97 7081 54117373 3950568229 5249385181 383205118213