Base | Representation |
---|---|
bin | 11111100100100111010010… |
… | …01111001111101000110001 |
3 | 100002211020012021111102102201 |
4 | 33302103221033033220301 |
5 | 33100001030200210311 |
6 | 403354401421543201 |
7 | 20423663503553536 |
oct | 1762235117175061 |
9 | 302736167442381 |
10 | 69427764460081 |
11 | 20138171072405 |
12 | 7953695a14b01 |
13 | 2c98019248501 |
14 | 1320470b7ad8d |
15 | 805e973b49c1 |
hex | 3f24e93cfa31 |
69427764460081 has 16 divisors (see below), whose sum is σ = 70193842540416. Its totient is φ = 68662721926656.
The previous prime is 69427764460073. The next prime is 69427764460181. The reversal of 69427764460081 is 18006446772496.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 69427764460081 - 23 = 69427764460073 is a prime.
It is a super-2 number, since 2×694277644600812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 69427764459995 and 69427764460022.
It is not an unprimeable number, because it can be changed into a prime (69427764460181) 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, 3003309135 + ... + 3003332251.
It is an arithmetic number, because the mean of its divisors is an integer number (4387115158776).
Almost surely, 269427764460081 is an apocalyptic number.
It is an amenable number.
69427764460081 is a deficient number, since it is larger than the sum of its proper divisors (766078080335).
69427764460081 is a wasteful number, since it uses less digits than its factorization.
69427764460081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44088.
The product of its (nonzero) digits is 97542144, while the sum is 64.
The spelling of 69427764460081 in words is "sixty-nine trillion, four hundred twenty-seven billion, seven hundred sixty-four million, four hundred sixty thousand, eighty-one".
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