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512525213023223 = 515219947889463
BaseRepresentation
bin111010010001000111001001…
…1010000101011101111110111
32111012200221011022121202012102
41310202032103100223233313
51014134203114013220343
65014014455445412315
7212645503365136151
oct16442162320535767
92435627138552172
10512525213023223
111393407a4279644
12495969a0a0a09b
1318cc9bc690179a
14907c4d1a17ad1
153e3be54ba23b8
hex1d2239342bbf7

512525213023223 has 4 divisors (see below), whose sum is σ = 512535160964208. Its totient is φ = 512515265082240.

The previous prime is 512525213023181. The next prime is 512525213023249. The reversal of 512525213023223 is 322320312525215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 512525213023223 - 214 = 512525213006839 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 (512525213023253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973893211 + ... + 4973996252.

It is an arithmetic number, because the mean of its divisors is an integer number (128133790241052).

Almost surely, 2512525213023223 is an apocalyptic number.

512525213023223 is a deficient number, since it is larger than the sum of its proper divisors (9947940985).

512525213023223 is an equidigital number, since it uses as much as digits as its factorization.

512525213023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947940984.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 512525213023223 its reverse (322320312525215), we get a palindrome (834845525548438).

The spelling of 512525213023223 in words is "five hundred twelve trillion, five hundred twenty-five billion, two hundred thirteen million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 51521 9947889463 512525213023223