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49996570625 = 5479994513
BaseRepresentation
bin101110100100000001…
…110010000000000001
311210001100100221101222
4232210001302000001
51304343110230000
634545040004425
73416650560401
oct564401620001
9153040327358
1049996570625
111a226840561
129833900715
13493a13bb01
1425c40ba801
151479418a85
hexba4072001

49996570625 has 10 divisors (see below), whose sum is σ = 62475715434. Its totient is φ = 39997256000.

The previous prime is 49996570619. The next prime is 49996570639. The reversal of 49996570625 is 52607569994.

It can be written as a sum of positive squares in 5 ways, for example, as 10287639184 + 39708931441 = 101428^2 + 199271^2 .

It is not a de Polignac number, because 49996570625 - 226 = 49929461761 is a prime.

It is a super-2 number, since 2×499965706252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39996632 + ... + 39997881.

Almost surely, 249996570625 is an apocalyptic number.

It is an amenable number.

49996570625 is a deficient number, since it is larger than the sum of its proper divisors (12479144809).

49996570625 is an frugal number, since it uses more digits than its factorization.

49996570625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79994533 (or 79994518 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 49996570625 in words is "forty-nine billion, nine hundred ninety-six million, five hundred seventy thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 79994513 399972565 1999862825 9999314125 49996570625