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2890402901 is a prime number
BaseRepresentation
bin1010110001001000…
…0000110001010101
321110102210200101022
42230102000301111
521404420343101
61154451210525
7131425006421
oct25422006125
97412720338
102890402901
111253614531
12687ba6a45
13370a90699
141d5c37b81
1511db45a1b
hexac480c55

2890402901 has 2 divisors, whose sum is σ = 2890402902. Its totient is φ = 2890402900.

The previous prime is 2890402843. The next prime is 2890402903. The reversal of 2890402901 is 1092040982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2361862801 + 528540100 = 48599^2 + 22990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2890402901 is a prime.

Together with 2890402903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890402903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445201450 + 1445201451.

It is an arithmetic number, because the mean of its divisors is an integer number (1445201451).

Almost surely, 22890402901 is an apocalyptic number.

It is an amenable number.

2890402901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890402901 is an equidigital number, since it uses as much as digits as its factorization.

2890402901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2890402901 is about 53762.4674005946. The cubic root of 2890402901 is about 1424.4683193064.

The spelling of 2890402901 in words is "two billion, eight hundred ninety million, four hundred two thousand, nine hundred one".