Base | Representation |
---|---|
bin | 100000111111001100… |
… | …1100011110100101111 |
3 | 20202211222011021001021 |
4 | 1001332121203310233 |
5 | 2130040031400122 |
6 | 52313221155011 |
7 | 5055324653056 |
oct | 1017631436457 |
9 | 222758137037 |
10 | 70840106287 |
11 | 28052436395 |
12 | 1189025ba67 |
13 | 68ac500572 |
14 | 360042139d |
15 | 1c9925b1c7 |
hex | 107e663d2f |
70840106287 has 8 divisors (see below), whose sum is σ = 72212394240. Its totient is φ = 69469140000.
The previous prime is 70840106269. The next prime is 70840106297. The reversal of 70840106287 is 78260104807.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70840106287 - 227 = 70705888559 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70840106297) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221839 + ... + 436912.
It is an arithmetic number, because the mean of its divisors is an integer number (9026549280).
Almost surely, 270840106287 is an apocalyptic number.
70840106287 is a deficient number, since it is larger than the sum of its proper divisors (1372287953).
70840106287 is a wasteful number, since it uses less digits than its factorization.
70840106287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660833.
The product of its (nonzero) digits is 150528, while the sum is 43.
The spelling of 70840106287 in words is "seventy billion, eight hundred forty million, one hundred six thousand, two hundred eighty-seven".
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