Base | Representation |
---|---|
bin | 100000011110011110… |
… | …0101011110101110011 |
3 | 20200000102220120222021 |
4 | 1000330330223311303 |
5 | 2120312424033112 |
6 | 52012233252311 |
7 | 5016162241162 |
oct | 1007474536563 |
9 | 220012816867 |
10 | 69742017907 |
11 | 27639607331 |
12 | 11624564097 |
13 | 6765b6ba23 |
14 | 353865d3d9 |
15 | 1c32b51907 |
hex | 103cf2bd73 |
69742017907 has 4 divisors (see below), whose sum is σ = 71443042776. Its totient is φ = 68040993040.
The previous prime is 69742017889. The next prime is 69742017997. The reversal of 69742017907 is 70971024796.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 69742017907 - 223 = 69733629299 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69742017997) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850512373 + ... + 850512454.
It is an arithmetic number, because the mean of its divisors is an integer number (17860760694).
Almost surely, 269742017907 is an apocalyptic number.
69742017907 is a deficient number, since it is larger than the sum of its proper divisors (1701024869).
69742017907 is a wasteful number, since it uses less digits than its factorization.
69742017907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1701024868.
The product of its (nonzero) digits is 1333584, while the sum is 52.
The spelling of 69742017907 in words is "sixty-nine billion, seven hundred forty-two million, seventeen thousand, nine hundred seven".
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