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48751191065 = 523473415381
BaseRepresentation
bin101101011001110011…
…000010010000011001
311122211112222002211002
4231121303002100121
51244320301103230
634221311114345
73344046200243
oct553163022031
9148745862732
1048751191065
111974785a455
1295468129b5
13479c119325
142506937093
151404e17545
hexb59cc2419

48751191065 has 8 divisors (see below), whose sum is σ = 58504062408. Its totient is φ = 38999197440.

The previous prime is 48751191053. The next prime is 48751191131. The reversal of 48751191065 is 56019115784.

It can be written as a sum of positive squares in 4 ways, for example, as 4294311961 + 44456879104 = 65531^2 + 210848^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48751191065 - 216 = 48751125529 is a prime.

It is a super-2 number, since 2×487511910652 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90326 + ... + 325055.

It is an arithmetic number, because the mean of its divisors is an integer number (7313007801).

Almost surely, 248751191065 is an apocalyptic number.

It is an amenable number.

48751191065 is a deficient number, since it is larger than the sum of its proper divisors (9752871343).

48751191065 is a wasteful number, since it uses less digits than its factorization.

48751191065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438859.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 48751191065 in words is "forty-eight billion, seven hundred fifty-one million, one hundred ninety-one thousand, sixty-five".

Divisors: 1 5 23473 117365 415381 2076905 9750238213 48751191065