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42648365868 = 22317209060617
BaseRepresentation
bin100111101110000010…
…100110101100101100
311002002020102110111020
4213232002212230230
51144320440201433
631331542254140
73036603062043
oct475602465454
9132066373436
1042648365868
11170a5988569
128322a27350
13403895ab64
1420c81dd55a
15119926ccb3
hex9ee0a6b2c

42648365868 has 24 divisors (see below), whose sum is σ = 105366551472. Its totient is φ = 13379879424.

The previous prime is 42648365867. The next prime is 42648365873. The reversal of 42648365868 is 86856384624.

42648365868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×426483658682 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42648365861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104530105 + ... + 104530512.

It is an arithmetic number, because the mean of its divisors is an integer number (4390272978).

Almost surely, 242648365868 is an apocalyptic number.

It is an amenable number.

42648365868 is an abundant number, since it is smaller than the sum of its proper divisors (62718185604).

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

42648365868 is a wasteful number, since it uses less digits than its factorization.

42648365868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209060641 (or 209060639 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 60.

The spelling of 42648365868 in words is "forty-two billion, six hundred forty-eight million, three hundred sixty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 209060617 418121234 627181851 836242468 1254363702 2508727404 3554030489 7108060978 10662091467 14216121956 21324182934 42648365868