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520240310332 = 221753811421779
BaseRepresentation
bin1111001001000001011…
…11010010100000111100
31211201211102221000021221
413210200233102200330
532010423004412312
61034554535203124
752405016450431
oct7444057224074
91751742830257
10520240310332
111906a61021a6
12849ab5164a4
133a09b554872
141b2733c1b88
15d7eca1c207
hex7920bd283c

520240310332 has 24 divisors (see below), whose sum is σ = 964154514960. Its totient is φ = 244773300480.

The previous prime is 520240310329. The next prime is 520240310353. The reversal of 520240310332 is 233013042025.

It is a junction number, because it is equal to n+sod(n) for n = 520240310297 and 520240310306.

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, 344982 + ... + 1076797.

It is an arithmetic number, because the mean of its divisors is an integer number (40173104790).

Almost surely, 2520240310332 is an apocalyptic number.

It is an amenable number.

520240310332 is a deficient number, since it is larger than the sum of its proper divisors (443914204628).

520240310332 is a wasteful number, since it uses less digits than its factorization.

520240310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427181 (or 1427179 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 520240310332 its reverse (233013042025), we get a palindrome (753253352357).

The spelling of 520240310332 in words is "five hundred twenty billion, two hundred forty million, three hundred ten thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 5381 10762 21524 91477 182954 365908 1421779 2843558 5687116 24170243 48340486 96680972 7650592799 15301185598 30602371196 130060077583 260120155166 520240310332