Base | Representation |
---|---|
bin | 100000011011111000… |
… | …1101010001010100100 |
3 | 20122210101121212221211 |
4 | 1000313301222022210 |
5 | 2120123220211010 |
6 | 51555453321204 |
7 | 5014056532324 |
oct | 1006761521244 |
9 | 218711555854 |
10 | 69655241380 |
11 | 275a462789a |
12 | 115bb496204 |
13 | 6750ba807a |
14 | 352ad11284 |
15 | 1c2a21008a |
hex | 1037c6a2a4 |
69655241380 has 48 divisors (see below), whose sum is σ = 155115290736. Its totient is φ = 26183393280.
The previous prime is 69655241371. The next prime is 69655241389. The reversal of 69655241380 is 8314255696.
It is an interprime number because it is at equal distance from previous prime (69655241371) and next prime (69655241389).
It can be written as a sum of positive squares in 8 ways, for example, as 3993228864 + 65662012516 = 63192^2 + 256246^2 .
It is not an unprimeable number, because it can be changed into a prime (69655241389) 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, 69772 + ... + 379708.
It is an arithmetic number, because the mean of its divisors is an integer number (3231568557).
Almost surely, 269655241380 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69655241380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77557645368).
69655241380 is an abundant number, since it is smaller than the sum of its proper divisors (85460049356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69655241380 is a wasteful number, since it uses less digits than its factorization.
69655241380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310624 (or 310622 counting only the distinct ones).
The product of its (nonzero) digits is 1555200, while the sum is 49.
The spelling of 69655241380 in words is "sixty-nine billion, six hundred fifty-five million, two hundred forty-one thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •