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103989586049 = 631131647673
BaseRepresentation
bin110000011011001000…
…0110010100010000001
3100221102012202022102222
41200312100302202001
53200432313223144
6115434441420425
710340646616466
oct1406620624201
9327365668388
10103989586049
1140113457158
12181a1a9a715
139a6322604b
145066c6366d
152a896042ee
hex1836432881

103989586049 has 4 divisors (see below), whose sum is σ = 103991296836. Its totient is φ = 103987875264.

The previous prime is 103989586037. The next prime is 103989586067. The reversal of 103989586049 is 940685989301.

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 5146627600 + 98842958449 = 71740^2 + 314393^2 .

It is a cyclic number.

It is not a de Polignac number, because 103989586049 - 28 = 103989585793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103989585982 and 103989586000.

It is not an unprimeable number, because it can be changed into a prime (103989586069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760724 + ... + 886949.

It is an arithmetic number, because the mean of its divisors is an integer number (25997824209).

Almost surely, 2103989586049 is an apocalyptic number.

It is an amenable number.

103989586049 is a deficient number, since it is larger than the sum of its proper divisors (1710787).

103989586049 is an equidigital number, since it uses as much as digits as its factorization.

103989586049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710786.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 103989586049 in words is "one hundred three billion, nine hundred eighty-nine million, five hundred eighty-six thousand, forty-nine".

Divisors: 1 63113 1647673 103989586049