Base | Representation |
---|---|
bin | 100000111100010010… |
… | …1110111011001101101 |
3 | 20202121011210221002111 |
4 | 1001320211313121231 |
5 | 2124340110401114 |
6 | 52255420524021 |
7 | 5053032523063 |
oct | 1017045673155 |
9 | 222534727074 |
10 | 70742668909 |
11 | 28002435230 |
12 | 118636b0611 |
13 | 6895276303 |
14 | 35d14da033 |
15 | 1c90910bc4 |
hex | 107897766d |
70742668909 has 16 divisors (see below), whose sum is σ = 79088063040. Its totient is φ = 62717584000.
The previous prime is 70742668907. The next prime is 70742668957. The reversal of 70742668909 is 90986624707.
It is a cyclic number.
It is not a de Polignac number, because 70742668909 - 21 = 70742668907 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 (70742668907) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132719 + ... + 1193539.
It is an arithmetic number, because the mean of its divisors is an integer number (4943003940).
Almost surely, 270742668909 is an apocalyptic number.
It is an amenable number.
70742668909 is a deficient number, since it is larger than the sum of its proper divisors (8345394131).
70742668909 is a wasteful number, since it uses less digits than its factorization.
70742668909 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63452.
The product of its (nonzero) digits is 9144576, while the sum is 58.
The spelling of 70742668909 in words is "seventy billion, seven hundred forty-two million, six hundred sixty-eight thousand, nine hundred nine".
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