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50812295493 = 316937431831
BaseRepresentation
bin101111010100101001…
…100001100101000101
311212011012022001120010
4233110221201211011
51313030421423433
635202015500433
73446114246121
oct572451414505
9155135261503
1050812295493
111a605241743
129a20b27719
134a3a13924b
14266057a581
1514c5d49e63
hexbd4a61945

50812295493 has 4 divisors (see below), whose sum is σ = 67749727328. Its totient is φ = 33874863660.

The previous prime is 50812295489. The next prime is 50812295507. The reversal of 50812295493 is 39459221805.

It is a happy number.

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 not a de Polignac number, because 50812295493 - 22 = 50812295489 is a prime.

It is a super-2 number, since 2×508122954932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50812295453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8468715913 + ... + 8468715918.

It is an arithmetic number, because the mean of its divisors is an integer number (16937431832).

Almost surely, 250812295493 is an apocalyptic number.

It is an amenable number.

50812295493 is a deficient number, since it is larger than the sum of its proper divisors (16937431835).

50812295493 is a wasteful number, since it uses less digits than its factorization.

50812295493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937431834.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 50812295493 in words is "fifty billion, eight hundred twelve million, two hundred ninety-five thousand, four hundred ninety-three".

Divisors: 1 3 16937431831 50812295493