Search a number
-
+
531431502413541 = 3413411428493277
BaseRepresentation
bin111100011010101011000100…
…1111011000111111011100101
32120200122100121010121121200120
41320311112021323013323211
51024123433204104213131
65122132132321432153
7216636442020322332
oct17065261173077345
92520570533547616
10531431502413541
1114436a91a7a3724
124b72ab9aa9b659
1319a6ba1112a892
1495335c9bcb989
154168b462d5496
hex1e35589ec7ee5

531431502413541 has 8 divisors (see below), whose sum is σ = 708577052178144. Its totient is φ = 354286810462320.

The previous prime is 531431502413533. The next prime is 531431502413597. The reversal of 531431502413541 is 145314205134135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 531431502413541 - 23 = 531431502413533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531431502413493 and 531431502413502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531431502413521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213006406 + ... + 215486871.

It is an arithmetic number, because the mean of its divisors is an integer number (88572131522268).

Almost surely, 2531431502413541 is an apocalyptic number.

It is an amenable number.

531431502413541 is a deficient number, since it is larger than the sum of its proper divisors (177145549764603).

531431502413541 is a wasteful number, since it uses less digits than its factorization.

531431502413541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428906691.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 531431502413541 its reverse (145314205134135), we get a palindrome (676745707547676).

The spelling of 531431502413541 in words is "five hundred thirty-one trillion, four hundred thirty-one billion, five hundred two million, four hundred thirteen thousand, five hundred forty-one".

Divisors: 1 3 413411 1240233 428493277 1285479831 177143834137847 531431502413541