Base | Representation |
---|---|
bin | 1000110110111101… |
… | …1111110000010010 |
3 | 20010201200212021020 |
4 | 2031233133300102 |
5 | 14332234211130 |
6 | 1031545340310 |
7 | 112633664145 |
oct | 21557376022 |
9 | 6121625236 |
10 | 2378038290 |
11 | 1010382401 |
12 | 564497696 |
13 | 2bb899664 |
14 | 187b8405c |
15 | ddb88e10 |
hex | 8dbdfc12 |
2378038290 has 64 divisors (see below), whose sum is σ = 6014131200. Its totient is φ = 600122304.
The previous prime is 2378038283. The next prime is 2378038307. The reversal of 2378038290 is 928308732.
It is a super-2 number, since 2×23780382902 = 11310132217412248200, which contains 22 as substring.
It is a Curzon 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, 750249 + ... + 753411.
It is an arithmetic number, because the mean of its divisors is an integer number (93970800).
Almost surely, 22378038290 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2378038290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007065600).
2378038290 is an abundant number, since it is smaller than the sum of its proper divisors (3636092910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2378038290 is a wasteful number, since it uses less digits than its factorization.
2378038290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4511.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 2378038290 is about 48765.1339585979. The cubic root of 2378038290 is about 1334.7695207328.
The spelling of 2378038290 in words is "two billion, three hundred seventy-eight million, thirty-eight thousand, two hundred ninety".
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