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48987706885 = 513753657029
BaseRepresentation
bin101101100111111001…
…010001011000000101
311200110001000100112021
4231213321101120011
51300311323110020
634301000323141
73352650431605
oct554771213005
9150401010467
1048987706885
1119859313277
1295b1a734b1
13480911a310
14252a102c05
15141aa861aa
hexb67e51605

48987706885 has 8 divisors (see below), whose sum is σ = 63307190520. Its totient is φ = 36175537344.

The previous prime is 48987706847. The next prime is 48987706919. The reversal of 48987706885 is 58860778984.

48987706885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3000191076 + 45987515809 = 54774^2 + 214447^2 .

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 48987706885 - 211 = 48987704837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376828450 + ... + 376828579.

It is an arithmetic number, because the mean of its divisors is an integer number (7913398815).

Almost surely, 248987706885 is an apocalyptic number.

It is an amenable number.

48987706885 is a deficient number, since it is larger than the sum of its proper divisors (14319483635).

48987706885 is a wasteful number, since it uses less digits than its factorization.

48987706885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753657047.

The product of its (nonzero) digits is 216760320, while the sum is 70.

The spelling of 48987706885 in words is "forty-eight billion, nine hundred eighty-seven million, seven hundred six thousand, eight hundred eighty-five".

Divisors: 1 5 13 65 753657029 3768285145 9797541377 48987706885