Search a number
-
+
13555261441 = 149253935831
BaseRepresentation
bin11001001111111010…
…01110000000000001
31021222200121121222001
430213331032000001
5210230121331231
610121024144001
7656624551441
oct144775160001
937880547861
1013555261441
115826656607
122763768001
131380434c77
149283c8121
15545083b61
hex327f4e001

13555261441 has 8 divisors (see below), whose sum is σ = 13651992000. Its totient is φ = 13458607920.

The previous prime is 13555261427. The next prime is 13555261459. The reversal of 13555261441 is 14416255531.

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 13555261441 - 213 = 13555253249 is a prime.

It is a super-2 number, since 2×135552614412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13555261441.

It is not an unprimeable number, because it can be changed into a prime (13555261471) 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, 360396 + ... + 396226.

It is an arithmetic number, because the mean of its divisors is an integer number (1706499000).

Almost surely, 213555261441 is an apocalyptic number.

It is an amenable number.

13555261441 is a deficient number, since it is larger than the sum of its proper divisors (96730559).

13555261441 is a wasteful number, since it uses less digits than its factorization.

13555261441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38519.

The product of its digits is 72000, while the sum is 37.

The spelling of 13555261441 in words is "thirteen billion, five hundred fifty-five million, two hundred sixty-one thousand, four hundred forty-one".

Divisors: 1 149 2539 35831 378311 5338819 90974909 13555261441