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520613316025 = 52116179392849
BaseRepresentation
bin1111001001101101111…
…10001100010110111001
31211202210102210122220121
413210312332030112321
532012204002103100
61035055542053241
752420166112535
oct7446676142671
91752712718817
10520613316025
1119087770a970
1284a9441a221
133a12a9042aa
141b2aab5abc5
15d82064c51a
hex7936f8c5b9

520613316025 has 48 divisors (see below), whose sum is σ = 724855392000. Its totient is φ = 367705728000.

The previous prime is 520613316011. The next prime is 520613316043.

520613316025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520613316025 - 25 = 520613315993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1128801 + ... + 1521649.

It is an arithmetic number, because the mean of its divisors is an integer number (15101154000).

Almost surely, 2520613316025 is an apocalyptic number.

520613316025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520613316025 is a deficient number, since it is larger than the sum of its proper divisors (204242075975).

520613316025 is a wasteful number, since it uses less digits than its factorization.

520613316025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393010 (or 393005 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

It can be divided in two parts, 520613 and 316025, that added together give a palindrome (836638).

The spelling of 520613316025 in words is "five hundred twenty billion, six hundred thirteen million, three hundred sixteen thousand, twenty-five".

Divisors: 1 5 11 25 55 61 79 275 305 395 671 869 1525 1975 3355 4345 4819 16775 21725 24095 53009 120475 265045 392849 1325225 1964245 4321339 9821225 21606695 23963789 31035071 108033475 119818945 155175355 263601679 341385781 599094725 775876775 1318008395 1706928905 1893139331 6590041975 8534644525 9465696655 20824532641 47328483275 104122663205 520613316025