Search a number
-
+
48531291457 = 1110739410833
BaseRepresentation
bin101101001100101100…
…001011110101000001
311122021020012001021011
4231030230023311001
51243343002311312
634143414000521
73335436112435
oct551454136501
9148236161234
1048531291457
1119644715640
1294a5046141
1347656b550c
1424c56549c5
1513e097bda7
hexb4cb0bd41

48531291457 has 8 divisors (see below), whose sum is σ = 52948285920. Its totient is φ = 44115140160.

The previous prime is 48531291439. The next prime is 48531291463. The reversal of 48531291457 is 75419213584.

It is a happy number.

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 48531291457 - 223 = 48522902849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48531291457.

It is not an unprimeable number, because it can be changed into a prime (48531291437) 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, 87288 + ... + 323545.

It is an arithmetic number, because the mean of its divisors is an integer number (6618535740).

Almost surely, 248531291457 is an apocalyptic number.

It is an amenable number.

48531291457 is a deficient number, since it is larger than the sum of its proper divisors (4416994463).

48531291457 is a wasteful number, since it uses less digits than its factorization.

48531291457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421583.

The product of its digits is 1209600, while the sum is 49.

The spelling of 48531291457 in words is "forty-eight billion, five hundred thirty-one million, two hundred ninety-one thousand, four hundred fifty-seven".

Divisors: 1 11 10739 118129 410833 4519163 4411935587 48531291457