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39281228099 = 611693380363
BaseRepresentation
bin100100100101010101…
…111111100101000011
310202101120120010210222
4210211111333211003
51120421443244344
630013501013255
72560265633621
oct444525774503
9122346503728
1039281228099
1115728258083
12774325422b
13392019ca49
141c88d48511
15104d8575ee
hex92557f943

39281228099 has 8 divisors (see below), whose sum is σ = 39948870192. Its totient is φ = 38614350240.

The previous prime is 39281228089. The next prime is 39281228101. The reversal of 39281228099 is 99082218293.

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-39281228099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39281228099.

It is not an unprimeable number, because it can be changed into a prime (39281228029) 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 7 ways as a sum of consecutive naturals, for example, 86909 + ... + 293454.

It is an arithmetic number, because the mean of its divisors is an integer number (4993608774).

Almost surely, 239281228099 is an apocalyptic number.

39281228099 is a deficient number, since it is larger than the sum of its proper divisors (667642093).

39281228099 is a wasteful number, since it uses less digits than its factorization.

39281228099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382117.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 39281228099 in words is "thirty-nine billion, two hundred eighty-one million, two hundred twenty-eight thousand, ninety-nine".

Divisors: 1 61 1693 103273 380363 23202143 643954559 39281228099