Search a number
-
+
3716080021 = 19195583159
BaseRepresentation
bin1101110101111110…
…1110000110010101
3100120222110102110101
43131133232012111
530102304030041
61412424254101
7161042105353
oct33537560625
910528412411
103716080021
1116376a2a15
12878611331
13472b63a24
142737687d3
1516b390b31
hexdd7ee195

3716080021 has 4 divisors (see below), whose sum is σ = 3911663200. Its totient is φ = 3520496844.

The previous prime is 3716080009. The next prime is 3716080033. The reversal of 3716080021 is 1200806173.

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 an interprime number because it is at equal distance from previous prime (3716080009) and next prime (3716080033).

It is a cyclic number.

It is not a de Polignac number, because 3716080021 - 25 = 3716079989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3716089021) 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, 97791561 + ... + 97791598.

It is an arithmetic number, because the mean of its divisors is an integer number (977915800).

Almost surely, 23716080021 is an apocalyptic number.

It is an amenable number.

3716080021 is a deficient number, since it is larger than the sum of its proper divisors (195583179).

3716080021 is a wasteful number, since it uses less digits than its factorization.

3716080021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195583178.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 3716080021 is about 60959.6589639411. The cubic root of 3716080021 is about 1548.9177351003.

Adding to 3716080021 its reverse (1200806173), we get a palindrome (4916886194).

The spelling of 3716080021 in words is "three billion, seven hundred sixteen million, eighty thousand, twenty-one".

Divisors: 1 19 195583159 3716080021