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5257961751 = 37192693571
BaseRepresentation
bin1001110010110011…
…00010000100010111
3111120102210010120010
410321121202010113
541232014234001
62225424211303
7244203636360
oct47131420427
914512703503
105257961751
112258a89539
121028a69b33
1365a42b193
1437c450b67
1520b90e8d6
hex139662117

5257961751 has 24 divisors (see below), whose sum is σ = 8456029824. Its totient is φ = 2846411280.

The previous prime is 5257961749. The next prime is 5257961791. The reversal of 5257961751 is 1571697525.

It is not a de Polignac number, because 5257961751 - 21 = 5257961749 is a prime.

It is a super-3 number, since 3×52579617513 (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5257961751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257961711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339205 + ... + 354366.

It is an arithmetic number, because the mean of its divisors is an integer number (352334576).

Almost surely, 25257961751 is an apocalyptic number.

5257961751 is a deficient number, since it is larger than the sum of its proper divisors (3198068073).

5257961751 is a wasteful number, since it uses less digits than its factorization.

5257961751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693619 (or 693600 counting only the distinct ones).

The product of its digits is 661500, while the sum is 48.

The square root of 5257961751 is about 72511.8042183478. The cubic root of 5257961751 is about 1738.8914583266.

The spelling of 5257961751 in words is "five billion, two hundred fifty-seven million, nine hundred sixty-one thousand, seven hundred fifty-one".

Divisors: 1 3 7 19 21 57 133 361 399 1083 2527 7581 693571 2080713 4854997 13177849 14564991 39533547 92244943 250379131 276734829 751137393 1752653917 5257961751