Base | Representation |
---|---|
bin | 11100001110010001010… |
… | …11010100000000001000 |
3 | 10102201001110102121210101 |
4 | 32013020223110000020 |
5 | 111342004004021140 |
6 | 2021253450255144 |
7 | 130026631504432 |
oct | 16071053240010 |
9 | 3381043377711 |
10 | 969734438920 |
11 | 34429789a9a5 |
12 | 137b361274b4 |
13 | 705a3ba3210 |
14 | 34d14a31652 |
15 | 1a35968299a |
hex | e1c8ad4008 |
969734438920 has 128 divisors (see below), whose sum is σ = 2504722752000. Its totient is φ = 334916674560.
The previous prime is 969734438917. The next prime is 969734438921. The reversal of 969734438920 is 29834437969.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (969734438921) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159310 + ... + 1401730.
It is an arithmetic number, because the mean of its divisors is an integer number (19568146500).
Almost surely, 2969734438920 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 969734438920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252361376000).
969734438920 is an abundant number, since it is smaller than the sum of its proper divisors (1534988313080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
969734438920 is a wasteful number, since it uses less digits than its factorization.
969734438920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1242543 (or 1242539 counting only the distinct ones).
The product of its (nonzero) digits is 70543872, while the sum is 64.
The spelling of 969734438920 in words is "nine hundred sixty-nine billion, seven hundred thirty-four million, four hundred thirty-eight thousand, nine hundred twenty".
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