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5781360081 = 37384771563
BaseRepresentation
bin1010110001001100…
…01000110111010001
3112220220122112002110
411120212020313101
543320012010311
62353402335533
7263160515130
oct53046106721
915826575073
105781360081
1124a7477442
1211541ba5a9
137119b6433
143cbb77917
1523c84a8a6
hex158988dd1

5781360081 has 16 divisors (see below), whose sum is σ = 8812104704. Its totient is φ = 3302729424.

The previous prime is 5781360077. The next prime is 5781360083. The reversal of 5781360081 is 1800631875.

It is not a de Polignac number, because 5781360081 - 22 = 5781360077 is a prime.

It is a super-2 number, since 2×57813600812 = 66848248772360653122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5781360083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45006 + ... + 116568.

It is an arithmetic number, because the mean of its divisors is an integer number (550756544).

Almost surely, 25781360081 is an apocalyptic number.

It is an amenable number.

5781360081 is a deficient number, since it is larger than the sum of its proper divisors (3030744623).

5781360081 is a wasteful number, since it uses less digits than its factorization.

5781360081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75420.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 5781360081 is about 76035.2555134787. The cubic root of 5781360081 is about 1794.7749793319.

The spelling of 5781360081 in words is "five billion, seven hundred eighty-one million, three hundred sixty thousand, eighty-one".

Divisors: 1 3 7 21 3847 11541 26929 71563 80787 214689 500941 1502823 275302861 825908583 1927120027 5781360081