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506431098287 = 4112757968251
BaseRepresentation
bin1110101111010011010…
…01010100110110101111
31210102012001110100120222
413113221221110312233
531244132330121122
61024352400001555
751405556211132
oct7275151246657
91712161410528
10506431098287
1118585a174864
12821969002bb
13389aa625c8a
141a7233b0219
15d290523b42
hex75e9a54daf

506431098287 has 8 divisors (see below), whose sum is σ = 518824278672. Its totient is φ = 494039880000.

The previous prime is 506431098281. The next prime is 506431098293. The reversal of 506431098287 is 782890134605.

It is an interprime number because it is at equal distance from previous prime (506431098281) and next prime (506431098293).

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

It is a cyclic number.

It is not a de Polignac number, because 506431098287 - 218 = 506430836143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506431098281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38912 + ... + 1007162.

It is an arithmetic number, because the mean of its divisors is an integer number (64853034834).

It is a 1-persistent number, because it is pandigital, but 2⋅506431098287 = 1012862196574 is not.

Almost surely, 2506431098287 is an apocalyptic number.

506431098287 is a deficient number, since it is larger than the sum of its proper divisors (12393180385).

506431098287 is a wasteful number, since it uses less digits than its factorization.

506431098287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981049.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 506431098287 in words is "five hundred six billion, four hundred thirty-one million, ninety-eight thousand, two hundred eighty-seven".

Divisors: 1 41 12757 523037 968251 39698291 12351978007 506431098287