Search a number
-
+
2771146745 = 54164321023
BaseRepresentation
bin1010010100101100…
…0101011111111001
321011010101211200122
42211023011133321
521133403143440
61134551143025
7125446234013
oct24513053771
97133354618
102771146745
1111a2270624
12654074a75
13352167203
141c40731b3
1511343a7b5
hexa52c57f9

2771146745 has 16 divisors (see below), whose sum is σ = 3411942912. Its totient is φ = 2159379840.

The previous prime is 2771146687. The next prime is 2771146757. The reversal of 2771146745 is 5476411772.

It is not a de Polignac number, because 2771146745 - 26 = 2771146681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2771146696 and 2771146705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121304 + ... + 142326.

It is an arithmetic number, because the mean of its divisors is an integer number (213246432).

Almost surely, 22771146745 is an apocalyptic number.

It is an amenable number.

2771146745 is a deficient number, since it is larger than the sum of its proper divisors (640796167).

2771146745 is a wasteful number, since it uses less digits than its factorization.

2771146745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712.

The product of its digits is 329280, while the sum is 44.

The square root of 2771146745 is about 52641.6825813917. The cubic root of 2771146745 is about 1404.6016516544.

The spelling of 2771146745 in words is "two billion, seven hundred seventy-one million, one hundred forty-six thousand, seven hundred forty-five".

Divisors: 1 5 41 205 643 3215 21023 26363 105115 131815 861943 4309715 13517789 67588945 554229349 2771146745