Base | Representation |
---|---|
bin | 1000011011010… |
… | …00001000011100 |
3 | 11220222222021010 |
4 | 10031220020130 |
5 | 121043243431 |
6 | 11002535220 |
7 | 1515531252 |
oct | 415501034 |
9 | 156888233 |
10 | 70681116 |
11 | 36996850 |
12 | 1b807510 |
13 | 1184985c |
14 | 955c5d2 |
15 | 6312846 |
hex | 436821c |
70681116 has 96 divisors (see below), whose sum is σ = 194052096. Its totient is φ = 19800000.
The previous prime is 70681103. The next prime is 70681123. The reversal of 70681116 is 61118607.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93741 + ... + 94491.
It is an arithmetic number, because the mean of its divisors is an integer number (2021376).
Almost surely, 270681116 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70681116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97026048).
70681116 is an abundant number, since it is smaller than the sum of its proper divisors (123370980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70681116 is a wasteful number, since it uses less digits than its factorization.
70681116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 823 (or 821 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The square root of 70681116 is about 8407.2061946880. The cubic root of 70681116 is about 413.4609193946.
It can be divided in two parts, 70 and 681116, that added together give a palindrome (681186).
The spelling of 70681116 in words is "seventy million, six hundred eighty-one thousand, one hundred sixteen".
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