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2771224061 = 89257121157
BaseRepresentation
bin1010010100101101…
…1000010111111101
321011010112202202012
42211023120113331
521133413132221
61134552541005
7125450005304
oct24513302775
97133482665
102771224061
1111a2313721
126540b1765
13352193468
141c409343b
1511345365b
hexa52d85fd

2771224061 has 8 divisors (see below), whose sum is σ = 2813288760. Its totient is φ = 2729402368.

The previous prime is 2771224037. The next prime is 2771224067. The reversal of 2771224061 is 1604221772.

It can be written as a sum of positive squares in 4 ways, for example, as 341325625 + 2429898436 = 18475^2 + 49294^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2771224061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771224067) 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, 37706 + ... + 83451.

It is an arithmetic number, because the mean of its divisors is an integer number (351661095).

Almost surely, 22771224061 is an apocalyptic number.

It is an amenable number.

2771224061 is a deficient number, since it is larger than the sum of its proper divisors (42064699).

2771224061 is a wasteful number, since it uses less digits than its factorization.

2771224061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121503.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2771224061 is about 52642.4169372950. The cubic root of 2771224061 is about 1404.6147144982.

The spelling of 2771224061 in words is "two billion, seven hundred seventy-one million, two hundred twenty-four thousand, sixty-one".

Divisors: 1 89 257 22873 121157 10782973 31137349 2771224061