Base | Representation |
---|---|
bin | 1011000110100011111… |
… | …10111111000001010100 |
3 | 1100110200000001111210212 |
4 | 11203101332333001110 |
5 | 22222232344240002 |
6 | 451125521504552 |
7 | 36363301050440 |
oct | 5432176770124 |
9 | 1313600044725 |
10 | 381480071252 |
11 | 13786a611865 |
12 | 61b24aa2158 |
13 | 29c86798b17 |
14 | 1466c6b3820 |
15 | 9dcaa8c352 |
hex | 58d1fbf054 |
381480071252 has 96 divisors (see below), whose sum is σ = 802868183040. Its totient is φ = 155167125120.
The previous prime is 381480071237. The next prime is 381480071279. The reversal of 381480071252 is 252170084183.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36123149 + ... + 36133707.
It is an arithmetic number, because the mean of its divisors is an integer number (8363210240).
Almost surely, 2381480071252 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 381480071252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401434091520).
381480071252 is an abundant number, since it is smaller than the sum of its proper divisors (421388111788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381480071252 is a wasteful number, since it uses less digits than its factorization.
381480071252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11461 (or 11459 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 41.
The spelling of 381480071252 in words is "three hundred eighty-one billion, four hundred eighty million, seventy-one thousand, two hundred fifty-two".
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