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15144432041 = 231549425083
BaseRepresentation
bin11100001101010110…
…11011000110101001
31110002102220212012102
432012223123012221
5222003433311131
610542433423145
71044202356044
oct160653330651
943072825172
1015144432041
116471700a42
122b27a0aab5
1315747487bb
14a3949dc5b
155d98441cb
hex386adb1a9

15144432041 has 8 divisors (see below), whose sum is σ = 15813124800. Its totient is φ = 14476592592.

The previous prime is 15144431993. The next prime is 15144432101. The reversal of 15144432041 is 14023444151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15144432041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15144431995 and 15144432013.

It is not an unprimeable number, because it can be changed into a prime (15144431041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176915 + ... + 248168.

It is an arithmetic number, because the mean of its divisors is an integer number (1976640600).

Almost surely, 215144432041 is an apocalyptic number.

It is an amenable number.

15144432041 is a deficient number, since it is larger than the sum of its proper divisors (668692759).

15144432041 is a wasteful number, since it uses less digits than its factorization.

15144432041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426655.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 15144432041 its reverse (14023444151), we get a palindrome (29167876192).

The spelling of 15144432041 in words is "fifteen billion, one hundred forty-four million, four hundred thirty-two thousand, forty-one".

Divisors: 1 23 1549 35627 425083 9776909 658453567 15144432041