Base | Representation |
---|---|
bin | 101011011010111010010010… |
… | …0001110110011110000111000 |
3 | 1212002022012120102121201000000 |
4 | 1112311310210032303300320 |
5 | 400030022304103033431 |
6 | 3432144252255513000 |
7 | 143306400453501414 |
oct | 12665644416636070 |
9 | 1762265512551000 |
10 | 381930574658616 |
11 | 100770935537955 |
12 | 36a04854828760 |
13 | 13515b8b448c29 |
14 | 6a457776d1d44 |
15 | 2e24d563289e6 |
hex | 15b5d243b3c38 |
381930574658616 has 112 divisors (see below), whose sum is σ = 1084757531356800. Its totient is φ = 125997715164672.
The previous prime is 381930574658573. The next prime is 381930574658617. The reversal of 381930574658616 is 616856475039183.
381930574658616 is a `hidden beast` number, since 3 + 8 + 1 + 9 + 30 + 5 + 7 + 4 + 6 + 586 + 1 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381930574658617) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 337005336 + ... + 338136743.
It is an arithmetic number, because the mean of its divisors is an integer number (9685335101400).
Almost surely, 2381930574658616 is an apocalyptic number.
381930574658616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
381930574658616 is an abundant number, since it is smaller than the sum of its proper divisors (702826956698184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
381930574658616 is an equidigital number, since it uses as much as digits as its factorization.
381930574658616 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675142200 (or 675142181 counting only the distinct ones).
The product of its (nonzero) digits is 783820800, while the sum is 72.
The spelling of 381930574658616 in words is "three hundred eighty-one trillion, nine hundred thirty billion, five hundred seventy-four million, six hundred fifty-eight thousand, six hundred sixteen".
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