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3944371365 = 3251117479973
BaseRepresentation
bin1110101100011010…
…0101010010100101
3101011220000211022100
43223012211102211
531034224340430
61451221322313
7166513413654
oct35306452245
911156024270
103944371365
111744549650
12920b66399
134ab24536c
14295bd319b
15181437960
hexeb1a54a5

3944371365 has 96 divisors (see below), whose sum is σ = 8066013696. Its totient is φ = 1761454080.

The previous prime is 3944371363. The next prime is 3944371391. The reversal of 3944371365 is 5631734493.

3944371365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3944371365 - 21 = 3944371363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3944371365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944371363) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 390519 + ... + 400491.

It is an arithmetic number, because the mean of its divisors is an integer number (84020976).

Almost surely, 23944371365 is an apocalyptic number.

It is an amenable number.

3944371365 is an abundant number, since it is smaller than the sum of its proper divisors (4121642331).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3944371365 is a wasteful number, since it uses less digits than its factorization.

3944371365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059 (or 10056 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 3944371365 is about 62804.2304705662. The cubic root of 3944371365 is about 1580.0079267081.

The spelling of 3944371365 in words is "three billion, nine hundred forty-four million, three hundred seventy-one thousand, three hundred sixty-five".

Divisors: 1 3 5 9 11 15 17 33 45 47 51 55 85 99 141 153 165 187 235 255 423 495 517 561 705 765 799 935 1551 1683 2115 2397 2585 2805 3995 4653 7191 7755 8415 8789 9973 11985 23265 26367 29919 35955 43945 49865 79101 89757 109703 131835 149595 169541 329109 395505 448785 468731 508623 548515 847705 987327 1406193 1525869 1645545 1864951 2343655 2543115 4218579 4936635 5156041 5594853 7030965 7629345 7968427 9324755 15468123 16784559 21092895 23905281 25780205 27974265 39842135 46404369 71715843 77340615 83922795 87652697 119526405 232021845 262958091 358579215 438263485 788874273 1314790455 3944371365