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2816321131009 = 6161974586751
BaseRepresentation
bin101000111110111001110…
…100100001001000000001
3100222020102021001221200101
4220332321310201020001
5332120311202143014
65553444451522401
7410321030426311
oct50767164411001
910866367057611
102816321131009
11996438947901
123959a42b9401
13175768982bc9
149a44c69b441
154d3d409a474
hex28fb9d21201

2816321131009 has 8 divisors (see below), whose sum is σ = 2867114746880. Its totient is φ = 2765676690000.

The previous prime is 2816321130979. The next prime is 2816321131027. The reversal of 2816321131009 is 9001311236182.

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 2816321131009 - 225 = 2816287576577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2816321131409) 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, 37255617 + ... + 37331134.

It is an arithmetic number, because the mean of its divisors is an integer number (358389343360).

Almost surely, 22816321131009 is an apocalyptic number.

It is an amenable number.

2816321131009 is a deficient number, since it is larger than the sum of its proper divisors (50793615871).

2816321131009 is an equidigital number, since it uses as much as digits as its factorization.

2816321131009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74587431.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 2816321131009 in words is "two trillion, eight hundred sixteen billion, three hundred twenty-one million, one hundred thirty-one thousand, nine".

Divisors: 1 61 619 37759 74586751 4549791811 46169198869 2816321131009