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2506708901 is a prime number
BaseRepresentation
bin1001010101101001…
…0101011110100101
320110200211000011102
42111122111132211
520113204141101
61052423245445
7116055450134
oct22532253645
96420730142
102506708901
111076a76554
1259b5a9885
1330c43b008
1419acb991b
15ea10386b
hex956957a5

2506708901 has 2 divisors, whose sum is σ = 2506708902. Its totient is φ = 2506708900.

The previous prime is 2506708891. The next prime is 2506708921. The reversal of 2506708901 is 1098076052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1491967876 + 1014741025 = 38626^2 + 31855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2506708901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506708921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253354450 + 1253354451.

It is an arithmetic number, because the mean of its divisors is an integer number (1253354451).

Almost surely, 22506708901 is an apocalyptic number.

It is an amenable number.

2506708901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506708901 is an equidigital number, since it uses as much as digits as its factorization.

2506708901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2506708901 is about 50067.0440609389. The cubic root of 2506708901 is about 1358.4217745251.

The spelling of 2506708901 in words is "two billion, five hundred six million, seven hundred eight thousand, nine hundred one".