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48715385720 = 2351217884643
BaseRepresentation
bin101101010111101010…
…011100101101111000
311122202001121000010012
4231113222130231320
51244232114320340
634213551441052
73343132642421
oct552752345570
9148661530105
1048715385720
1119729624361
129536826188
134794890b31
142501c96648
151401be3565
hexb57a9cb78

48715385720 has 16 divisors (see below), whose sum is σ = 109609617960. Its totient is φ = 19486154272.

The previous prime is 48715385671. The next prime is 48715385729. The reversal of 48715385720 is 2758351784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48715385729) 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, 608942282 + ... + 608942361.

Almost surely, 248715385720 is an apocalyptic number.

48715385720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48715385720 is an abundant number, since it is smaller than the sum of its proper divisors (60894232240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48715385720 is a wasteful number, since it uses less digits than its factorization.

48715385720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217884654 (or 1217884650 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 48715385720 in words is "forty-eight billion, seven hundred fifteen million, three hundred eighty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1217884643 2435769286 4871538572 6089423215 9743077144 12178846430 24357692860 48715385720