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52791951361249 = 72658072
BaseRepresentation
bin11000000000011100101011…
…00000100000010011100001
320220220212020212012122101001
430000032111200200103201
523404420404022024444
6304140142044312001
714056043524423132
oct1400162540402341
9226825225178331
1052791951361249
1115903a39295201
125b07525842601
13235c34b5c0c79
14d072034d3c89
1561838e5278d4
hex3003958204e1

52791951361249 has 3 divisors (see below), whose sum is σ = 52791958627057. Its totient is φ = 52791944095442.

The previous prime is 52791951361147. The next prime is 52791951361273. The reversal of 52791951361249 is 94216315919725.

The square root of 52791951361249 is 7265807.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 52791951361249 - 215 = 52791951328481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52791951365249) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3632904 + ... + 10898710.

Almost surely, 252791951361249 is an apocalyptic number.

52791951361249 is the 7265807-th square number.

52791951361249 is the 3632904-th centered octagonal number.

It is an amenable number.

52791951361249 is a deficient number, since it is larger than the sum of its proper divisors (7265808).

52791951361249 is an frugal number, since it uses more digits than its factorization.

52791951361249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14531614 (or 7265807 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The spelling of 52791951361249 in words is "fifty-two trillion, seven hundred ninety-one billion, nine hundred fifty-one million, three hundred sixty-one thousand, two hundred forty-nine".

Divisors: 1 7265807 52791951361249