Search a number
-
+
71500225701 = 323833408567
BaseRepresentation
bin100001010010110111…
…1101101110010100101
320211112222021210122110
41002211233231302211
52132413024210301
652502521551233
75110561614342
oct1024557556245
9224488253573
1071500225701
1128361016923
1211a35345519
1369861b8578
143663d777c9
151cd71a20d6
hex10a5bedca5

71500225701 has 4 divisors (see below), whose sum is σ = 95333634272. Its totient is φ = 47666817132.

The previous prime is 71500225627. The next prime is 71500225717. The reversal of 71500225701 is 10752200517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71500225701 - 230 = 70426483877 is a prime.

It is a super-2 number, since 2×715002257012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71500225751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11916704281 + ... + 11916704286.

It is an arithmetic number, because the mean of its divisors is an integer number (23833408568).

Almost surely, 271500225701 is an apocalyptic number.

It is an amenable number.

71500225701 is a deficient number, since it is larger than the sum of its proper divisors (23833408571).

71500225701 is a wasteful number, since it uses less digits than its factorization.

71500225701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23833408570.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 71500225701 in words is "seventy-one billion, five hundred million, two hundred twenty-five thousand, seven hundred one".

Divisors: 1 3 23833408567 71500225701