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104431323143 = 7100671481947
BaseRepresentation
bin110000101000010010…
…1111000100000000111
3100222112222221212211002
41201100211320200013
53202333404320033
6115550341403515
710354622412650
oct1412045704007
9328488855732
10104431323143
114031a839834
12182a5a0959b
139b038bba44
1450a97b0527
152ab32ae3e8
hex1850978807

104431323143 has 8 divisors (see below), whose sum is σ = 119362019712. Its totient is φ = 89503610616.

The previous prime is 104431323089. The next prime is 104431323149. The reversal of 104431323143 is 341323134401.

It is a happy number.

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

It is not a de Polignac number, because 104431323143 - 210 = 104431322119 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 (104431323149) 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, 670505 + ... + 811442.

It is an arithmetic number, because the mean of its divisors is an integer number (14920252464).

Almost surely, 2104431323143 is an apocalyptic number.

104431323143 is a deficient number, since it is larger than the sum of its proper divisors (14930696569).

104431323143 is a wasteful number, since it uses less digits than its factorization.

104431323143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492021.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 104431323143 its reverse (341323134401), we get a palindrome (445754457544).

The spelling of 104431323143 in words is "one hundred four billion, four hundred thirty-one million, three hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 7 10067 70469 1481947 10373629 14918760449 104431323143