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506640562231 = 19557172127817
BaseRepresentation
bin1110101111101100010…
…00010111100000110111
31210102201122121020002211
413113312020113200313
531300044440442411
61024425241314251
751414011503156
oct7276610274067
91712648536084
10506640562231
11185957431161
1282234a95987
1338a11b44b3b
141a74313759d
15d2a3aec221
hex75f6217837

506640562231 has 16 divisors (see below), whose sum is σ = 534592971360. Its totient is φ = 478817948160.

The previous prime is 506640562217. The next prime is 506640562271. The reversal of 506640562231 is 132265046605.

It is a happy number.

It is not a de Polignac number, because 506640562231 - 237 = 369201608759 is a prime.

It is a super-2 number, since 2×5066405622312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506640562271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18199435 + ... + 18227251.

It is an arithmetic number, because the mean of its divisors is an integer number (33412060710).

Almost surely, 2506640562231 is an apocalyptic number.

506640562231 is a deficient number, since it is larger than the sum of its proper divisors (27952409129).

506640562231 is a wasteful number, since it uses less digits than its factorization.

506640562231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30114.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 506640562231 in words is "five hundred six billion, six hundred forty million, five hundred sixty-two thousand, two hundred thirty-one".

Divisors: 1 19 557 1721 10583 27817 32699 528523 958597 15494069 18213343 47873057 294387311 909588083 26665292749 506640562231