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2731641443401 = 131277448136721
BaseRepresentation
bin100111110000000010100…
…001001001010001001001
3100200010211210022010010011
4213300002201021101021
5324223400202142101
65450522044151521
7401232423106513
oct47600241112111
910603753263104
102731641443401
11963534421202
123814b12385a1
1316a79217c990
14962d8200bb3
154b0c9d47751
hex27c02849449

2731641443401 has 16 divisors (see below), whose sum is σ = 2944808567568. Its totient is φ = 2518909747200.

The previous prime is 2731641443359. The next prime is 2731641443407. The reversal of 2731641443401 is 1043441461372.

It can be written as a sum of positive squares in 8 ways, for example, as 326784865801 + 2404856577600 = 571651^2 + 1550760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731641443401 - 213 = 2731641435209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2731641443407) 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, 74370721 + ... + 74407441.

It is an arithmetic number, because the mean of its divisors is an integer number (184050535473).

Almost surely, 22731641443401 is an apocalyptic number.

It is an amenable number.

2731641443401 is a deficient number, since it is larger than the sum of its proper divisors (213167124167).

2731641443401 is a wasteful number, since it uses less digits than its factorization.

2731641443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42492.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 2731641443401 in words is "two trillion, seven hundred thirty-one billion, six hundred forty-one million, four hundred forty-three thousand, four hundred one".

Divisors: 1 13 1277 4481 16601 36721 58253 477373 5722237 46892717 74389081 164546801 609605321 2139108413 210126264877 2731641443401