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52516612625 = 531564126861
BaseRepresentation
bin110000111010001110…
…111110101000010001
312000112222021100010212
4300322032332220101
51330023223101000
640043101133505
73536260561541
oct607216765021
9160488240125
1052516612625
11202aa2933a4
12a21785a295
134c4c267819
142782a67321
1515757a2c35
hexc3a3bea11

52516612625 has 16 divisors (see below), whose sum is σ = 65547363024. Its totient is φ = 42009040000.

The previous prime is 52516612583. The next prime is 52516612627. The reversal of 52516612625 is 52621661525.

52516612625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14604239104 + 37912373521 = 120848^2 + 194711^2 .

It is not a de Polignac number, because 52516612625 - 210 = 52516611601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52516612627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941695 + ... + 1968555.

It is an arithmetic number, because the mean of its divisors is an integer number (4096710189).

Almost surely, 252516612625 is an apocalyptic number.

It is an amenable number.

52516612625 is a deficient number, since it is larger than the sum of its proper divisors (13030750399).

52516612625 is a wasteful number, since it uses less digits than its factorization.

52516612625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42517 (or 42507 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The spelling of 52516612625 in words is "fifty-two billion, five hundred sixteen million, six hundred twelve thousand, six hundred twenty-five".

Divisors: 1 5 25 125 15641 26861 78205 134305 391025 671525 1955125 3357625 420132901 2100664505 10503322525 52516612625