Base | Representation |
---|---|
bin | 100000111101110101… |
… | …0001110111101010100 |
3 | 20202201202200012212100 |
4 | 1001323222032331110 |
5 | 2124441300124440 |
6 | 52304500122100 |
7 | 5054226211002 |
oct | 1017352167524 |
9 | 222652605770 |
10 | 70794145620 |
11 | 280294a4470 |
12 | 11878996330 |
13 | 68a2b2a8c3 |
14 | 35d8299a72 |
15 | 1c951cd230 |
hex | 107ba8ef54 |
70794145620 has 72 divisors (see below), whose sum is σ = 234264270240. Its totient is φ = 17162216640.
The previous prime is 70794145553. The next prime is 70794145633. The reversal of 70794145620 is 2654149707.
70794145620 is a `hidden beast` number, since 7 + 0 + 7 + 9 + 4 + 14 + 5 + 620 = 666.
It is a super-2 number, since 2×707941456202 (a number of 23 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 23 ways as a sum of consecutive naturals, for example, 17875330 + ... + 17879289.
It is an arithmetic number, because the mean of its divisors is an integer number (3253670420).
Almost surely, 270794145620 is an apocalyptic number.
It is an amenable number.
70794145620 is an abundant number, since it is smaller than the sum of its proper divisors (163470124620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70794145620 is a wasteful number, since it uses less digits than its factorization.
70794145620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35754645 (or 35754640 counting only the distinct ones).
The product of its (nonzero) digits is 423360, while the sum is 45.
The spelling of 70794145620 in words is "seventy billion, seven hundred ninety-four million, one hundred forty-five thousand, six hundred twenty".
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