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2807940007 is a prime number
BaseRepresentation
bin1010011101011101…
…1100001110100111
321020200122010120001
42213113130032213
521222313040012
61142343522131
7126404045005
oct24727341647
97220563501
102807940007
111211010984
12664459347
1335997a282
141c8ccda75
151167a7357
hexa75dc3a7

2807940007 has 2 divisors, whose sum is σ = 2807940008. Its totient is φ = 2807940006.

The previous prime is 2807940001. The next prime is 2807940029. The reversal of 2807940007 is 7000497082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2807940007 - 223 = 2799551399 is a prime.

It is a super-2 number, since 2×28079400072 = 15769054165822320098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2807940001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403970003 + 1403970004.

It is an arithmetic number, because the mean of its divisors is an integer number (1403970004).

Almost surely, 22807940007 is an apocalyptic number.

2807940007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2807940007 is an equidigital number, since it uses as much as digits as its factorization.

2807940007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2807940007 is about 52989.9991224759. Note that the first 3 decimals coincide. The cubic root of 2807940007 is about 1410.7907652944.

It can be divided in two parts, 28079 and 40007, that added together give a palindrome (68086).

The spelling of 2807940007 in words is "two billion, eight hundred seven million, nine hundred forty thousand, seven".