Search a number
-
+
123031123342 = 2731039181097
BaseRepresentation
bin111001010010100111…
…0011111010110001110
3102202120020202122000221
41302211032133112032
54003431431421332
6132304131541554
711613553202461
oct1624516372616
9382506678027
10123031123342
11481a4952a36
121ba16a5a8ba
13b7a9177c8a
145d51b312d8
153301146297
hex1ca539f58e

123031123342 has 16 divisors (see below), whose sum is σ = 187095032352. Its totient is φ = 60666295680.

The previous prime is 123031123331. The next prime is 123031123357. The reversal of 123031123342 is 243321130321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1476538 + ... + 1557634.

It is an arithmetic number, because the mean of its divisors is an integer number (11693439522).

Almost surely, 2123031123342 is an apocalyptic number.

123031123342 is a deficient number, since it is larger than the sum of its proper divisors (64063909010).

123031123342 is a wasteful number, since it uses less digits than its factorization.

123031123342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91563.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123031123342 its reverse (243321130321), we get a palindrome (366352253663).

The spelling of 123031123342 in words is "one hundred twenty-three billion, thirty-one million, one hundred twenty-three thousand, three hundred forty-two".

Divisors: 1 2 73 146 10391 20782 81097 162194 758543 1517086 5920081 11840162 842678927 1685357854 61515561671 123031123342