Base | Representation |
---|---|
bin | 100000010010011101… |
… | …0110111000111100111 |
3 | 20121222100100101211021 |
4 | 1000210322313013213 |
5 | 2114001223333011 |
6 | 51504232552011 |
7 | 5003165545300 |
oct | 1004472670747 |
9 | 217870311737 |
10 | 69338886631 |
11 | 27451aa2893 |
12 | 11531552607 |
13 | 67004a2101 |
14 | 34dacc17a7 |
15 | 1c0c570471 |
hex | 1024eb71e7 |
69338886631 has 12 divisors (see below), whose sum is σ = 82839510408. Its totient is φ = 57827023632.
The previous prime is 69338886619. The next prime is 69338886641. The reversal of 69338886631 is 13668883396.
It is a happy number.
It is not a de Polignac number, because 69338886631 - 215 = 69338853863 is a prime.
It is a super-2 number, since 2×693388866312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69338886631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69338886601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19120881 + ... + 19124506.
It is an arithmetic number, because the mean of its divisors is an integer number (6903292534).
Almost surely, 269338886631 is an apocalyptic number.
69338886631 is a deficient number, since it is larger than the sum of its proper divisors (13500623777).
69338886631 is a wasteful number, since it uses less digits than its factorization.
69338886631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38245438 (or 38245431 counting only the distinct ones).
The product of its digits is 26873856, while the sum is 61.
The spelling of 69338886631 in words is "sixty-nine billion, three hundred thirty-eight million, eight hundred eighty-six thousand, six hundred thirty-one".
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