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2900890637 is a prime number
BaseRepresentation
bin1010110011101000…
…0001010000001101
321111011112111211222
42230322001100031
521420112000022
61155504053125
7131613110051
oct25472012015
97434474758
102900890637
111259528087
1268b6041a5
13372cc3248
141d73a7c61
1511ea18242
hexace8140d

2900890637 has 2 divisors, whose sum is σ = 2900890638. Its totient is φ = 2900890636.

The previous prime is 2900890549. The next prime is 2900890673. The reversal of 2900890637 is 7360980092.

Together with next prime (2900890673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2534014921 + 366875716 = 50339^2 + 19154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2900890637 - 210 = 2900889613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2900890697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450445318 + 1450445319.

It is an arithmetic number, because the mean of its divisors is an integer number (1450445319).

Almost surely, 22900890637 is an apocalyptic number.

It is an amenable number.

2900890637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2900890637 is an equidigital number, since it uses as much as digits as its factorization.

2900890637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2900890637 is about 53859.9167934745. The cubic root of 2900890637 is about 1426.1891191874.

The spelling of 2900890637 in words is "two billion, nine hundred million, eight hundred ninety thousand, six hundred thirty-seven".