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42888512673 = 324765390297
BaseRepresentation
bin100111111100010110…
…101100010010100001
311002200222022011222100
4213330112230102201
51200313424401143
631411441401013
73045550225356
oct477426542241
9132628264870
1042888512673
11172094a13a6
12838b339169
134076630766
14210c07262d
1511b03a76d3
hex9fc5ac4a1

42888512673 has 6 divisors (see below), whose sum is σ = 61950073874. Its totient is φ = 28592341776.

The previous prime is 42888512663. The next prime is 42888512701. The reversal of 42888512673 is 37621588824.

42888512673 is a `hidden beast` number, since 42 + 8 + 88 + 512 + 6 + 7 + 3 = 666.

42888512673 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 only one way, i.e., 35290252449 + 7598260224 = 187857^2 + 87168^2 .

It is not a de Polignac number, because 42888512673 - 24 = 42888512657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42888512663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2382695140 + ... + 2382695157.

Almost surely, 242888512673 is an apocalyptic number.

It is an amenable number.

42888512673 is a deficient number, since it is larger than the sum of its proper divisors (19061561201).

42888512673 is a wasteful number, since it uses less digits than its factorization.

42888512673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765390303 (or 4765390300 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 42888512673 in words is "forty-two billion, eight hundred eighty-eight million, five hundred twelve thousand, six hundred seventy-three".

Divisors: 1 3 9 4765390297 14296170891 42888512673