Base | Representation |
---|---|
bin | 11111110111101000110100… |
… | …10011101110111110000000 |
3 | 100012010201101211220000022000 |
4 | 33323310122103232332000 |
5 | 33141203223210441233 |
6 | 405014543335344000 |
7 | 20522133662420406 |
oct | 1773643223567600 |
9 | 305121354800260 |
10 | 70081422749568 |
11 | 2036a401139a9a |
12 | 7a3a2ba822000 |
13 | 301485a824069 |
14 | 1343d5d555476 |
15 | 817ea2d4ed13 |
hex | 3fbd1a4eef80 |
70081422749568 has 512 divisors, whose sum is σ = 218622631219200. Its totient is φ = 22057065676800.
The previous prime is 70081422749561. The next prime is 70081422749579. The reversal of 70081422749568 is 86594722418007.
It is a happy number.
70081422749568 is a `hidden beast` number, since 7 + 0 + 0 + 8 + 1 + 4 + 2 + 27 + 49 + 568 = 666.
It is a super-2 number, since 2×700814227495682 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70081422749561) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2705520105 + ... + 2705546007.
It is an arithmetic number, because the mean of its divisors is an integer number (426997326600).
Almost surely, 270081422749568 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 70081422749568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109311315609600).
70081422749568 is an abundant number, since it is smaller than the sum of its proper divisors (148541208469632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70081422749568 is a wasteful number, since it uses less digits than its factorization.
70081422749568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26387 (or 26369 counting only the distinct ones).
The product of its (nonzero) digits is 54190080, while the sum is 63.
The spelling of 70081422749568 in words is "seventy trillion, eighty-one billion, four hundred twenty-two million, seven hundred forty-nine thousand, five hundred sixty-eight".
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