Base | Representation |
---|---|
bin | 100000100101101011… |
… | …1011100001100100110 |
3 | 20200122022002010022020 |
4 | 1001023113130030212 |
5 | 2121311340201432 |
6 | 52052234044010 |
7 | 5025160305012 |
oct | 1011327341446 |
9 | 220568063266 |
10 | 69983912742 |
11 | 27753104517 |
12 | 11691579606 |
13 | 67a4004173 |
14 | 355c829542 |
15 | 1c48ed422c |
hex | 104b5dc326 |
69983912742 has 32 divisors (see below), whose sum is σ = 140896181472. Its totient is φ = 23173323264.
The previous prime is 69983912731. The next prime is 69983912749. The reversal of 69983912742 is 24721938996.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69983912749) 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 15 ways as a sum of consecutive naturals, for example, 4922388 + ... + 4936584.
It is an arithmetic number, because the mean of its divisors is an integer number (4403005671).
Almost surely, 269983912742 is an apocalyptic number.
69983912742 is an abundant number, since it is smaller than the sum of its proper divisors (70912268730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69983912742 is a wasteful number, since it uses less digits than its factorization.
69983912742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19592.
The product of its digits is 11757312, while the sum is 60.
The spelling of 69983912742 in words is "sixty-nine billion, nine hundred eighty-three million, nine hundred twelve thousand, seven hundred forty-two".
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