Search a number
-
+
431382424109 = 72131935642603
BaseRepresentation
bin1100100011100000110…
…01010110101000101101
31112020110210010200201212
412101300121112220231
524031432400032414
6530101354244205
743111026050600
oct6216031265055
91466423120655
10431382424109
11156a4815009a
126b731126665
13318aa239c70
1416c44066337
15b34ba9483e
hex6470656a2d

431382424109 has 24 divisors (see below), whose sum is σ = 568855959840. Its totient is φ = 323349685344.

The previous prime is 431382424097. The next prime is 431382424153. The reversal of 431382424109 is 901424283134.

It is a de Polignac number, because none of the positive numbers 2k-431382424109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431382424199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17809199 + ... + 17833404.

It is an arithmetic number, because the mean of its divisors is an integer number (23702331660).

Almost surely, 2431382424109 is an apocalyptic number.

431382424109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

431382424109 is a deficient number, since it is larger than the sum of its proper divisors (137473535731).

431382424109 is a wasteful number, since it uses less digits than its factorization.

431382424109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35642649 (or 35642642 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 431382424109 in words is "four hundred thirty-one billion, three hundred eighty-two million, four hundred twenty-four thousand, one hundred nine".

Divisors: 1 7 13 19 49 91 133 247 637 931 1729 12103 35642603 249498221 463353839 677209457 1746487547 3243476873 4740466199 8803722941 22704338111 33183263393 61626060587 431382424109