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2872813057 is a prime number
BaseRepresentation
bin1010101100111011…
…1010011000000001
321102012201000122121
42223032322120001
521340420004212
61153022204241
7131122336162
oct25316723001
97365630577
102872813057
11124469aa74
12682123681
1336a2422aa
141d3779769
1511c31dd07
hexab3ba601

2872813057 has 2 divisors, whose sum is σ = 2872813058. Its totient is φ = 2872813056.

The previous prime is 2872813049. The next prime is 2872813081. The reversal of 2872813057 is 7503182782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839184656 + 33628401 = 53284^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872813057 - 23 = 2872813049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872813037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436406528 + 1436406529.

It is an arithmetic number, because the mean of its divisors is an integer number (1436406529).

Almost surely, 22872813057 is an apocalyptic number.

It is an amenable number.

2872813057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872813057 is an equidigital number, since it uses as much as digits as its factorization.

2872813057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 2872813057 is about 53598.6292455320. The cubic root of 2872813057 is about 1421.5728549909.

The spelling of 2872813057 in words is "two billion, eight hundred seventy-two million, eight hundred thirteen thousand, fifty-seven".