Base | Representation |
---|---|
bin | 11000111101110100… |
… | …001111000010111110 |
3 | 2120012012220222100000 |
4 | 120331310033002332 |
5 | 414400032011240 |
6 | 20152005015130 |
7 | 1636204644006 |
oct | 307564170276 |
9 | 76165828300 |
10 | 26806907070 |
11 | 10406889059 |
12 | 52416b44a6 |
13 | 26b29a43b8 |
14 | 142433b006 |
15 | a6d642430 |
hex | 63dd0f0be |
26806907070 has 96 divisors (see below), whose sum is σ = 72352661472. Its totient is φ = 7141260672.
The previous prime is 26806907059. The next prime is 26806907087. The reversal of 26806907070 is 7070960862.
It is a happy number.
It is a super-2 number, since 2×268069070702 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2650944 + ... + 2661036.
It is an arithmetic number, because the mean of its divisors is an integer number (753673557).
Almost surely, 226806907070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26806907070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36176330736).
26806907070 is an abundant number, since it is smaller than the sum of its proper divisors (45545754402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26806907070 is a wasteful number, since it uses less digits than its factorization.
26806907070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11208 (or 11196 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 26806907070 in words is "twenty-six billion, eight hundred six million, nine hundred seven thousand, seventy".
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