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48461687281 = 716194276157
BaseRepresentation
bin101101001000100010…
…101010100111110001
311122002101012210021201
4231020202222213301
51243222142443111
634132450051201
73333632355010
oct551042524761
9148071183251
1048461687281
11196093a4a27
129485879b01
134754154c07
1424ba2d6a77
1513d97cd6c1
hexb488aa9f1

48461687281 has 8 divisors (see below), whose sum is σ = 55419007680. Its totient is φ = 41512922448.

The previous prime is 48461687251. The next prime is 48461687311. The reversal of 48461687281 is 18278616484.

It is an interprime number because it is at equal distance from previous prime (48461687251) and next prime (48461687311).

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

It is a cyclic number.

It is not a de Polignac number, because 48461687281 - 219 = 48461162993 is a prime.

It is a super-2 number, since 2×484616872812 (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 (48461687251) 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 7 ways as a sum of consecutive naturals, for example, 2126746 + ... + 2149411.

It is an arithmetic number, because the mean of its divisors is an integer number (6927375960).

Almost surely, 248461687281 is an apocalyptic number.

It is an amenable number.

48461687281 is a deficient number, since it is larger than the sum of its proper divisors (6957320399).

48461687281 is a wasteful number, since it uses less digits than its factorization.

48461687281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277783.

The product of its digits is 4128768, while the sum is 55.

The spelling of 48461687281 in words is "forty-eight billion, four hundred sixty-one million, six hundred eighty-seven thousand, two hundred eighty-one".

Divisors: 1 7 1619 11333 4276157 29933099 6923098183 48461687281