Search a number
-
+
155112045337 = 179124237961
BaseRepresentation
bin1001000001110101100…
…1011111101100011001
3112211101000200022202001
42100131121133230121
510020132140422322
6155131341241001
714130551426344
oct2203531375431
9484330608661
10155112045337
115a867784507
122608a863161
131181c6ab362
14771669b45b
15407c7b9827
hex241d65fb19

155112045337 has 4 divisors (see below), whose sum is σ = 164236283316. Its totient is φ = 145987807360.

The previous prime is 155112045299. The next prime is 155112045353. The reversal of 155112045337 is 733540211551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105554161881 + 49557883456 = 324891^2 + 222616^2 .

It is a de Polignac number, because none of the positive numbers 2k-155112045337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155112045296 and 155112045305.

It is not an unprimeable number, because it can be changed into a prime (155112045037) 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, 4562118964 + ... + 4562118997.

It is an arithmetic number, because the mean of its divisors is an integer number (41059070829).

Almost surely, 2155112045337 is an apocalyptic number.

155112045337 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

155112045337 is a deficient number, since it is larger than the sum of its proper divisors (9124237979).

155112045337 is an equidigital number, since it uses as much as digits as its factorization.

155112045337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124237978.

The product of its (nonzero) digits is 63000, while the sum is 37.

Adding to 155112045337 its reverse (733540211551), we get a palindrome (888652256888).

The spelling of 155112045337 in words is "one hundred fifty-five billion, one hundred twelve million, forty-five thousand, three hundred thirty-seven".

Divisors: 1 17 9124237961 155112045337