Base | Representation |
---|---|
bin | 1001000001101010101… |
… | …00001010001011010000 |
3 | 1002122111122022011121202 |
4 | 10200311110022023100 |
5 | 20040122310403240 |
6 | 354250035410332 |
7 | 31256235354506 |
oct | 4406524121320 |
9 | 1078448264552 |
10 | 310132122320 |
11 | 10a587552809 |
12 | 501327539a8 |
13 | 23325cc8867 |
14 | 11020a58676 |
15 | 8101e69315 |
hex | 483550a2d0 |
310132122320 has 80 divisors (see below), whose sum is σ = 761261067840. Its totient is φ = 117174822912.
The previous prime is 310132122319. The next prime is 310132122329. The reversal of 310132122320 is 23221231013.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 310132122292 and 310132122301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (310132122329) 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, 209519 + ... + 814961.
It is an arithmetic number, because the mean of its divisors is an integer number (9515763348).
Almost surely, 2310132122320 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 310132122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380630533920).
310132122320 is an abundant number, since it is smaller than the sum of its proper divisors (451128945520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310132122320 is a wasteful number, since it uses less digits than its factorization.
310132122320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605812 (or 605806 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 310132122320 its reverse (23221231013), we get a palindrome (333353353333).
The spelling of 310132122320 in words is "three hundred ten billion, one hundred thirty-two million, one hundred twenty-two thousand, three hundred twenty".
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