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2852927061721 = 11297215832
BaseRepresentation
bin101001100000111111101…
…101000011111011011001
3101002201220101120220101221
4221200333231003323121
5333220243311433341
610022341104012041
7413055122623342
oct51407755037331
911081811526357
102852927061721
119aaa12a50400
123a0abb601021
13179050807c39
149c1221a30c9
154e327aebed1
hex2983fb43ed9

2852927061721 has 27 divisors (see below), whose sum is σ = 3170526592863. Its totient is φ = 2565210721920.

The previous prime is 2852927061703. The next prime is 2852927061749. The reversal of 2852927061721 is 1271607292582.

The square root of 2852927061721 is 1689061.

It is a perfect power (a square), and thus also a powerful number.

2852927061721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1281073104025 + 1571853957696 = 1131845^2 + 1253736^2 .

It is not a de Polignac number, because 2852927061721 - 25 = 2852927061689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2852927061791) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1802227296 + ... + 1802228878.

Almost surely, 22852927061721 is an apocalyptic number.

2852927061721 is the 1689061-st square number.

2852927061721 is the 844531-st centered octagonal number.

It is an amenable number.

2852927061721 is a deficient number, since it is larger than the sum of its proper divisors (317599531142).

2852927061721 is an frugal number, since it uses more digits than its factorization.

2852927061721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 2852927061721 in words is "two trillion, eight hundred fifty-two billion, nine hundred twenty-seven million, sixty-one thousand, seven hundred twenty-one".

Divisors: 1 11 97 121 1067 1583 9409 11737 17413 103499 153551 191543 1138489 1689061 2505889 14894447 18579671 27564779 163838917 243071233 303212569 1802228087 2673783563 23577909601 29411619193 259357005611 2852927061721