Base | Representation |
---|---|
bin | 100000100010110111… |
… | …0100110100110111000 |
3 | 20200101201002101101012 |
4 | 1001011232212212320 |
5 | 2121113131241100 |
6 | 52035014413052 |
7 | 5022631300343 |
oct | 1010556464670 |
9 | 220351071335 |
10 | 69889321400 |
11 | 27704777658 |
12 | 11665961188 |
13 | 678a535462 |
14 | 355004545a |
15 | 1c40a4c135 |
hex | 1045ba69b8 |
69889321400 has 96 divisors (see below), whose sum is σ = 170605710000. Its totient is φ = 26588728320.
The previous prime is 69889321393. The next prime is 69889321529. The reversal of 69889321400 is 412398896.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298676 + ... + 478524.
Almost surely, 269889321400 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 69889321400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85302855000).
69889321400 is an abundant number, since it is smaller than the sum of its proper divisors (100716388600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69889321400 is a wasteful number, since it uses less digits than its factorization.
69889321400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179961 (or 179952 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 69889321400 in words is "sixty-nine billion, eight hundred eighty-nine million, three hundred twenty-one thousand, four hundred".
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