Search a number
-
+
5631311215 = 553149142619
BaseRepresentation
bin1010011111010011…
…01111110101101111
3112112110022020202001
411033221233311233
543013103424330
62330442313131
7256356232645
oct51751576557
915473266661
105631311215
11242a801512
121111ab87a7
136b989b21a
143b5c79195
1522e5ab9ca
hex14fa6fd6f

5631311215 has 16 divisors (see below), whose sum is σ = 6931332000. Its totient is φ = 4390352512.

The previous prime is 5631311201. The next prime is 5631311221. The reversal of 5631311215 is 5121131365.

5631311215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5631311215 - 29 = 5631310703 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31825 + ... + 110794.

It is an arithmetic number, because the mean of its divisors is an integer number (433208250).

Almost surely, 25631311215 is an apocalyptic number.

5631311215 is a deficient number, since it is larger than the sum of its proper divisors (1300020785).

5631311215 is a wasteful number, since it uses less digits than its factorization.

5631311215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142826.

The product of its digits is 2700, while the sum is 28.

The square root of 5631311215 is about 75042.0629713763. The cubic root of 5631311215 is about 1779.1115390000. Note that the first 3 decimals are identical.

It can be divided in two parts, 56313 and 11215, that added together give a triangular number (67528 = T367).

The spelling of 5631311215 in words is "five billion, six hundred thirty-one million, three hundred eleven thousand, two hundred fifteen".

Divisors: 1 5 53 149 265 745 7897 39485 142619 713095 7558807 21250231 37794035 106251155 1126262243 5631311215