Search a number
-
+
137572336789 = 743185157923
BaseRepresentation
bin1000000000011111110…
…0110100010010010101
3111011002122121210212221
42000013330310102111
54223222004234124
6143111100342341
712640112365666
oct2000774642225
9434078553787
10137572336789
1153386aa7908
12227b48449b1
13cc8593bba4
14693104b36d
1538a2a33ce4
hex2007f34495

137572336789 has 4 divisors (see below), whose sum is σ = 137757495456. Its totient is φ = 137387178124.

The previous prime is 137572336771. The next prime is 137572336799. The reversal of 137572336789 is 987633275731.

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 a cyclic number.

It is not a de Polignac number, because 137572336789 - 211 = 137572334741 is a prime.

It is a super-2 number, since 2×1375723367892 (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 (137572336799) 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, 92578219 + ... + 92579704.

It is an arithmetic number, because the mean of its divisors is an integer number (34439373864).

Almost surely, 2137572336789 is an apocalyptic number.

It is an amenable number.

137572336789 is a deficient number, since it is larger than the sum of its proper divisors (185158667).

137572336789 is an equidigital number, since it uses as much as digits as its factorization.

137572336789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185158666.

The product of its digits is 40007520, while the sum is 61.

The spelling of 137572336789 in words is "one hundred thirty-seven billion, five hundred seventy-two million, three hundred thirty-six thousand, seven hundred eighty-nine".

Divisors: 1 743 185157923 137572336789