Base | Representation |
---|---|
bin | 100000011110011110… |
… | …0101011110110100110 |
3 | 20200000102220121001011 |
4 | 1000330330223312212 |
5 | 2120312424033313 |
6 | 52012233252434 |
7 | 5016162241264 |
oct | 1007474536646 |
9 | 220012817034 |
10 | 69742017958 |
11 | 27639607378 |
12 | 1162456411a |
13 | 6765b6ba62 |
14 | 353865d434 |
15 | 1c32b5193d |
hex | 103cf2bda6 |
69742017958 has 32 divisors (see below), whose sum is σ = 106186300416. Its totient is φ = 34351769088.
The previous prime is 69742017889. The next prime is 69742017997. The reversal of 69742017958 is 85971024796.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18240835 + ... + 18244657.
It is an arithmetic number, because the mean of its divisors is an integer number (3318321888).
Almost surely, 269742017958 is an apocalyptic number.
69742017958 is a deficient number, since it is larger than the sum of its proper divisors (36444282458).
69742017958 is a wasteful number, since it uses less digits than its factorization.
69742017958 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4468.
The product of its (nonzero) digits is 7620480, while the sum is 58.
The spelling of 69742017958 in words is "sixty-nine billion, seven hundred forty-two million, seventeen thousand, nine hundred fifty-eight".
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