Search a number
-
+
155103012013 = 1741435175103
BaseRepresentation
bin1001000001110011011…
…1000010010010101101
3112211100101200101100111
42100130313002102231
510020122332341023
6155130415500021
714130411564205
oct2203467022255
9484311611314
10155103012013
115a862674654
1226087827611
131181a8677b1
1477153c9405
15407bad300d
hex241cdc24ad

155103012013 has 16 divisors (see below), whose sum is σ = 172144659456. Its totient is φ = 139106741760.

The previous prime is 155103011969. The next prime is 155103012041. The reversal of 155103012013 is 310210301551.

It is not a de Polignac number, because 155103012013 - 29 = 155103011501 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 (155103012413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557581 + ... + 2617522.

It is an arithmetic number, because the mean of its divisors is an integer number (10759041216).

Almost surely, 2155103012013 is an apocalyptic number.

It is an amenable number.

155103012013 is a deficient number, since it is larger than the sum of its proper divisors (17041647443).

155103012013 is a wasteful number, since it uses less digits than its factorization.

155103012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175204.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 155103012013 its reverse (310210301551), we get a palindrome (465313313564).

The spelling of 155103012013 in words is "one hundred fifty-five billion, one hundred three million, twelve thousand, thirteen".

Divisors: 1 17 41 43 697 731 1763 29971 5175103 87976751 212179223 222529429 3607046791 3783000293 9123706589 155103012013