Search a number
-
+
71270220711 = 3142716648031
BaseRepresentation
bin100001001100000001…
…0010100001110100111
320210221221111100010010
41002120002110032213
52131430134030321
652424024101303
75102066611014
oct1023002241647
9223857440103
1071270220711
11282531aa758
1211990304833
13694a656c41
1436415c470b
151cc1dbc676
hex10980943a7

71270220711 has 8 divisors (see below), whose sum is σ = 95093558784. Its totient is φ = 47480181560.

The previous prime is 71270220701. The next prime is 71270220743. The reversal of 71270220711 is 11702207217.

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 71270220711 - 26 = 71270220647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71270220701) 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, 8319735 + ... + 8328296.

It is an arithmetic number, because the mean of its divisors is an integer number (11886694848).

Almost surely, 271270220711 is an apocalyptic number.

71270220711 is a deficient number, since it is larger than the sum of its proper divisors (23823338073).

71270220711 is a wasteful number, since it uses less digits than its factorization.

71270220711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649461.

The product of its (nonzero) digits is 2744, while the sum is 30.

Adding to 71270220711 its reverse (11702207217), we get a palindrome (82972427928).

The spelling of 71270220711 in words is "seventy-one billion, two hundred seventy million, two hundred twenty thousand, seven hundred eleven".

Divisors: 1 3 1427 4281 16648031 49944093 23756740237 71270220711