Search a number
-
+
431285396351 = 29163151160383
BaseRepresentation
bin1100100011010101001…
…11001110001101111111
31112020020000120011200012
412101222213032031333
524031233030140401
6530044010453435
743105440245045
oct6215247161577
91466200504605
10431285396351
111569a83a9767
126b70473427b
13318930c72a4
1416c3520a395
15b3432ca8bb
hex646a9ce37f

431285396351 has 16 divisors (see below), whose sum is σ = 449198991360. Its totient is φ = 413578055520.

The previous prime is 431285396341. The next prime is 431285396401. The reversal of 431285396351 is 153693582134.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-431285396351 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 431285396351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431285396341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7112306 + ... + 7172688.

It is an arithmetic number, because the mean of its divisors is an integer number (28074936960).

Almost surely, 2431285396351 is an apocalyptic number.

431285396351 is a deficient number, since it is larger than the sum of its proper divisors (17913595009).

431285396351 is a wasteful number, since it uses less digits than its factorization.

431285396351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62086.

The product of its digits is 2332800, while the sum is 50.

The spelling of 431285396351 in words is "four hundred thirty-one billion, two hundred eighty-five million, three hundred ninety-six thousand, three hundred fifty-one".

Divisors: 1 29 163 1511 4727 43819 60383 246293 1751107 7142497 9842429 91238713 285430441 2645922677 14871910219 431285396351