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101440040213 = 17231072424649
BaseRepresentation
bin101111001111001001…
…1000010110100010101
3100200211112022222001102
41132132103002310111
53130222122241323
6114333444035445
710220531054321
oct1363623026425
9320745288042
10101440040213
113a025292686
12177b0092b85
139747c6a145
144ca43d6981
15298a88d328
hex179e4c2d15

101440040213 has 16 divisors (see below), whose sum is σ = 113124470400. Its totient is φ = 90468466176.

The previous prime is 101440040201. The next prime is 101440040227. The reversal of 101440040213 is 312040044101.

It is a cyclic number.

It is not a de Polignac number, because 101440040213 - 28 = 101440039957 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 (101440040413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170488 + ... + 1254161.

It is an arithmetic number, because the mean of its divisors is an integer number (7070279400).

Almost surely, 2101440040213 is an apocalyptic number.

It is an amenable number.

101440040213 is a deficient number, since it is larger than the sum of its proper divisors (11684430187).

101440040213 is a wasteful number, since it uses less digits than its factorization.

101440040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424796.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101440040213 its reverse (312040044101), we get a palindrome (413480084314).

The spelling of 101440040213 in words is "one hundred one billion, four hundred forty million, forty thousand, two hundred thirteen".

Divisors: 1 17 23 107 391 1819 2461 41837 2424649 41219033 55766927 259437443 948037759 4410436531 5967061189 101440040213