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50049557453 = 77149936779
BaseRepresentation
bin101110100111001011…
…111010001111001101
311210012001001221200002
4232213023322033031
51310000141314303
634554211414045
73421163135060
oct564713721715
9153161057602
1050049557453
111a253741325
1298495b4325
13494810186c
1425cb1508d7
15147ddd3788
hexba72fa3cd

50049557453 has 4 divisors (see below), whose sum is σ = 57199494240. Its totient is φ = 42899620668.

The previous prime is 50049557429. The next prime is 50049557477. The reversal of 50049557453 is 35475594005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50049557429) and next prime (50049557477).

It is a cyclic number.

It is not a de Polignac number, because 50049557453 - 222 = 50045363149 is a prime.

It is a super-3 number, since 3×500495574533 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 50049557398 and 50049557407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50049557423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574968383 + ... + 3574968396.

It is an arithmetic number, because the mean of its divisors is an integer number (14299873560).

Almost surely, 250049557453 is an apocalyptic number.

It is an amenable number.

50049557453 is a deficient number, since it is larger than the sum of its proper divisors (7149936787).

50049557453 is an equidigital number, since it uses as much as digits as its factorization.

50049557453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149936786.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 50049557453 in words is "fifty billion, forty-nine million, five hundred fifty-seven thousand, four hundred fifty-three".

Divisors: 1 7 7149936779 50049557453