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3086407801 = 4536168041
BaseRepresentation
bin1011011111110110…
…1101100001111001
321222002121202120001
42313331231201321
522310110022201
61230132233001
7136325014321
oct26775554171
97862552501
103086407801
111344218954
1272176b761
133a2579409
14213c9a281
15130e61301
hexb7f6d879

3086407801 has 4 divisors (see below), whose sum is σ = 3086521204. Its totient is φ = 3086294400.

The previous prime is 3086407781. The next prime is 3086407829. The reversal of 3086407801 is 1087046803.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1407375225 + 1679032576 = 37515^2 + 40976^2 .

It is a 3-Lehmer number, since φ(3086407801) divides (3086407801-1)3.

It is a cyclic number.

It is not a de Polignac number, because 3086407801 - 25 = 3086407769 is a prime.

It is a super-2 number, since 2×30864078012 = 19051826228147311202, which contains 22 as substring.

It is a deceptive number, since it divides R3086407800.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3086407201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11341 + ... + 79381.

It is an arithmetic number, because the mean of its divisors is an integer number (771630301).

Almost surely, 23086407801 is an apocalyptic number.

3086407801 is the 45361-st pentagonal number.

It is an amenable number.

3086407801 is a deficient number, since it is larger than the sum of its proper divisors (113403).

3086407801 is an equidigital number, since it uses as much as digits as its factorization.

3086407801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113402.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 3086407801 is about 55555.4479866736. The cubic root of 3086407801 is about 1455.9655618251.

The spelling of 3086407801 in words is "three billion, eighty-six million, four hundred seven thousand, eight hundred one".

Divisors: 1 45361 68041 3086407801