Base | Representation |
---|---|
bin | 100000101101001011… |
… | …1101011110100010000 |
3 | 20201021211201221021100 |
4 | 1001122113223310100 |
5 | 2122320310304320 |
6 | 52133225224400 |
7 | 5034335022021 |
oct | 1013227536420 |
9 | 221254657240 |
10 | 70235634960 |
11 | 27872204107 |
12 | 11741932100 |
13 | 68141ca71a |
14 | 3584032c48 |
15 | 1c61158790 |
hex | 105a5ebd10 |
70235634960 has 60 divisors (see below), whose sum is σ = 235874676492. Its totient is φ = 18729502464.
The previous prime is 70235634923. The next prime is 70235634961. The reversal of 70235634960 is 6943653207.
70235634960 is a `hidden beast` number, since 7 + 0 + 2 + 3 + 5 + 634 + 9 + 6 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 22384947456 + 47850687504 = 149616^2 + 218748^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (70235634961) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48774027 + ... + 48775466.
Almost surely, 270235634960 is an apocalyptic number.
It is an amenable number.
70235634960 is an abundant number, since it is smaller than the sum of its proper divisors (165639041532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70235634960 is a wasteful number, since it uses less digits than its factorization.
70235634960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97549512 (or 97549503 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 45.
The spelling of 70235634960 in words is "seventy billion, two hundred thirty-five million, six hundred thirty-four thousand, nine hundred sixty".
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