Base | Representation |
---|---|
bin | 11111101100110100101111… |
… | …00100001100010011000100 |
3 | 100010211012100010220100210100 |
4 | 33312122113210030103010 |
5 | 33114111244141430002 |
6 | 404132134000324100 |
7 | 20453241236605500 |
oct | 1766322744142304 |
9 | 303735303810710 |
10 | 69709862061252 |
11 | 2023687188a476 |
12 | 799a2a3913630 |
13 | 2cb87c512a4ca |
14 | 132dd9241b300 |
15 | 80d4a804911c |
hex | 3f669790c4c4 |
69709862061252 has 54 divisors (see below), whose sum is σ = 204980189637678. Its totient is φ = 19917103445568.
The previous prime is 69709862061251. The next prime is 69709862061283. The reversal of 69709862061252 is 25216026890796.
69709862061252 is a `hidden beast` number, since 6 + 9 + 7 + 0 + 9 + 8 + 6 + 2 + 0 + 612 + 5 + 2 = 666.
69709862061252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 64225862922816 + 5483999138436 = 8014104^2 + 2341794^2 .
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a self number, because there is not a number n which added to its sum of digits gives 69709862061252.
It is not an unprimeable number, because it can be changed into a prime (69709862061251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19759029433 + ... + 19759032960.
Almost surely, 269709862061252 is an apocalyptic number.
It is an amenable number.
69709862061252 is an abundant number, since it is smaller than the sum of its proper divisors (135270327576426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69709862061252 is a wasteful number, since it uses less digits than its factorization.
69709862061252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39518062417 (or 39518062405 counting only the distinct ones).
The product of its (nonzero) digits is 39191040, while the sum is 63.
The spelling of 69709862061252 in words is "sixty-nine trillion, seven hundred nine billion, eight hundred sixty-two million, sixty-one thousand, two hundred fifty-two".
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