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2872135493 is a prime number
BaseRepresentation
bin1010101100110001…
…0100111101000101
321102011102121012122
42223030110331011
521340231313433
61152555455325
7131113514603
oct25314247505
97364377178
102872135493
1112442779a7
12681a57545
1336a065a76
141d3640873
1511c238198
hexab314f45

2872135493 has 2 divisors, whose sum is σ = 2872135494. Its totient is φ = 2872135492.

The previous prime is 2872135481. The next prime is 2872135501. The reversal of 2872135493 is 3945312782.

It is a happy number.

2872135493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2594679844 + 277455649 = 50938^2 + 16657^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872135493 - 24 = 2872135477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872135423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436067746 + 1436067747.

It is an arithmetic number, because the mean of its divisors is an integer number (1436067747).

Almost surely, 22872135493 is an apocalyptic number.

It is an amenable number.

2872135493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872135493 is an equidigital number, since it uses as much as digits as its factorization.

2872135493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 2872135493 is about 53592.3081514502. The cubic root of 2872135493 is about 1421.4610850629.

The spelling of 2872135493 in words is "two billion, eight hundred seventy-two million, one hundred thirty-five thousand, four hundred ninety-three".