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48720148784 = 243399789567
BaseRepresentation
bin101101010111111100…
…100111100100110000
311122202101112222210222
4231113330213210300
51244234324230114
634214241512212
73343221301046
oct552774474460
9148671488728
1048720148784
111973128797a
129538342668
13479586ab08
142502776396
15140233498e
hexb57f27930

48720148784 has 20 divisors (see below), whose sum is σ = 94399118784. Its totient is φ = 24359085888.

The previous prime is 48720148781. The next prime is 48720148801. The reversal of 48720148784 is 48784102784.

It is not an unprimeable number, because it can be changed into a prime (48720148781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499169 + ... + 588735.

Almost surely, 248720148784 is an apocalyptic number.

It is an amenable number.

48720148784 is a deficient number, since it is larger than the sum of its proper divisors (45678970000).

48720148784 is a wasteful number, since it uses less digits than its factorization.

48720148784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123572 (or 123566 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 48720148784 in words is "forty-eight billion, seven hundred twenty million, one hundred forty-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 33997 67994 89567 135988 179134 271976 358268 543952 716536 1433072 3045009299 6090018598 12180037196 24360074392 48720148784