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48496507985 = 512301788497
BaseRepresentation
bin101101001010100111…
…011111110001010001
311122011210201212022102
4231022213133301101
51243310101223420
634140132250145
73334534342052
oct551247376121
9148153655272
1048496507985
1119627018272
129495470955
13475b427193
1424c0b9c729
1513dc8aaa75
hexb4a9dfc51

48496507985 has 8 divisors (see below), whose sum is σ = 58200614376. Its totient is φ = 38794003200.

The previous prime is 48496507979. The next prime is 48496507987. The reversal of 48496507985 is 58970569484.

It can be written as a sum of positive squares in 4 ways, for example, as 648007936 + 47848500049 = 25456^2 + 218743^2 .

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

It is not a de Polignac number, because 48496507985 - 212 = 48496503889 is a prime.

It is a super-2 number, since 2×484965079852 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48496507987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332744 + ... + 455753.

It is an arithmetic number, because the mean of its divisors is an integer number (7275076797).

Almost surely, 248496507985 is an apocalyptic number.

It is an amenable number.

48496507985 is a deficient number, since it is larger than the sum of its proper divisors (9704106391).

48496507985 is a wasteful number, since it uses less digits than its factorization.

48496507985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800803.

The product of its (nonzero) digits is 87091200, while the sum is 65.

The spelling of 48496507985 in words is "forty-eight billion, four hundred ninety-six million, five hundred seven thousand, nine hundred eighty-five".

Divisors: 1 5 12301 61505 788497 3942485 9699301597 48496507985