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3381281761 = 111323645327
BaseRepresentation
bin1100100110001010…
…0100001111100001
322201122110220120211
43021202210033201
523411102004021
61315304334121
7146535264214
oct31142441741
98648426524
103381281761
111485711040
127a4474341
1341b6a0c50
142410d777b
1514bcab3e1
hexc98a43e1

3381281761 has 8 divisors (see below), whose sum is σ = 3972415104. Its totient is φ = 2837439120.

The previous prime is 3381281747. The next prime is 3381281779. The reversal of 3381281761 is 1671821833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3381281761 - 27 = 3381281633 is a prime.

It is a super-2 number, since 2×33812817612 = 22866132694542522242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3381281731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822521 + ... + 11822806.

It is an arithmetic number, because the mean of its divisors is an integer number (496551888).

Almost surely, 23381281761 is an apocalyptic number.

It is an amenable number.

3381281761 is a deficient number, since it is larger than the sum of its proper divisors (591133343).

3381281761 is a wasteful number, since it uses less digits than its factorization.

3381281761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23645351.

The product of its digits is 48384, while the sum is 40.

The square root of 3381281761 is about 58148.7898498326. The cubic root of 3381281761 is about 1500.9300544725.

It can be divided in two parts, 338128 and 1761, that added together give a square (339889 = 5832).

The spelling of 3381281761 in words is "three billion, three hundred eighty-one million, two hundred eighty-one thousand, seven hundred sixty-one".

Divisors: 1 11 13 143 23645327 260098597 307389251 3381281761