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2631041801 is a prime number
BaseRepresentation
bin1001110011010010…
…1000001100001001
320210100202202211122
42130310220030021
520342021314201
61113024205025
7122125325543
oct23464501411
96710682748
102631041801
111130177713
12615169775
1332c12118b
141ad602693
15105eb2e1b
hex9cd28309

2631041801 has 2 divisors, whose sum is σ = 2631041802. Its totient is φ = 2631041800.

The previous prime is 2631041779. The next prime is 2631041857. The reversal of 2631041801 is 1081401362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1821582400 + 809459401 = 42680^2 + 28451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2631041801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2631043801) 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, 1315520900 + 1315520901.

It is an arithmetic number, because the mean of its divisors is an integer number (1315520901).

Almost surely, 22631041801 is an apocalyptic number.

It is an amenable number.

2631041801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631041801 is an equidigital number, since it uses as much as digits as its factorization.

2631041801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2631041801 is about 51293.6818818848. The cubic root of 2631041801 is about 1380.5196182606.

The spelling of 2631041801 in words is "two billion, six hundred thirty-one million, forty-one thousand, eight hundred one".