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15423435241 = 56197274453
BaseRepresentation
bin11100101110100111…
…01111000111101001
31110210212220200122021
432113103233013221
5223041344411431
611030241424441
71054131015334
oct162723570751
943725820567
1015423435241
1165a51441a5
122ba533b121
1315ba4a4556
14a6456961b
156040a6b11
hex3974ef1e9

15423435241 has 4 divisors (see below), whose sum is σ = 15423765892. Its totient is φ = 15423104592.

The previous prime is 15423435229. The next prime is 15423435271. The reversal of 15423435241 is 14253432451.

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 1650065641 + 13773369600 = 40621^2 + 117360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15423435241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15423435197 and 15423435206.

It is not an unprimeable number, because it can be changed into a prime (15423435221) 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, 81030 + ... + 193423.

It is an arithmetic number, because the mean of its divisors is an integer number (3855941473).

Almost surely, 215423435241 is an apocalyptic number.

It is an amenable number.

15423435241 is a deficient number, since it is larger than the sum of its proper divisors (330651).

15423435241 is an equidigital number, since it uses as much as digits as its factorization.

15423435241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330650.

The product of its digits is 57600, while the sum is 34.

Adding to 15423435241 its reverse (14253432451), we get a palindrome (29676867692).

The spelling of 15423435241 in words is "fifteen billion, four hundred twenty-three million, four hundred thirty-five thousand, two hundred forty-one".

Divisors: 1 56197 274453 15423435241