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530450221045 = 5518920445181
BaseRepresentation
bin1111011100000010100…
…11000000011111110101
31212201011222200012210011
413232001103000133311
532142330224033140
61043404021100221
753216023325113
oct7560123003765
91781158605704
10530450221045
11194a65359238
128697a857671
133b037889354
141b961386ab3
15dbe9040cea
hex7b814c07f5

530450221045 has 8 divisors (see below), whose sum is σ = 636662967480. Its totient is φ = 424278375360.

The previous prime is 530450221033. The next prime is 530450221051. The reversal of 530450221045 is 540122054035.

It can be written as a sum of positive squares in 4 ways, for example, as 221329788849 + 309120432196 = 470457^2 + 555986^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-530450221045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 530450220998 and 530450221016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10196646 + ... + 10248535.

It is an arithmetic number, because the mean of its divisors is an integer number (79582870935).

Almost surely, 2530450221045 is an apocalyptic number.

It is an amenable number.

530450221045 is a deficient number, since it is larger than the sum of its proper divisors (106212746435).

530450221045 is a wasteful number, since it uses less digits than its factorization.

530450221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450375.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 530450221045 in words is "five hundred thirty billion, four hundred fifty million, two hundred twenty-one thousand, forty-five".

Divisors: 1 5 5189 25945 20445181 102225905 106090044209 530450221045