Base | Representation |
---|---|
bin | 1100100000101000101… |
… | …1011111011101001110 |
3 | 202112202002021222222221 |
4 | 3020022023133131032 |
5 | 12010123300240030 |
6 | 242422115125554 |
7 | 21345616425241 |
oct | 3101213373516 |
9 | 675662258887 |
10 | 214919149390 |
11 | 83168290a30 |
12 | 3579bba38ba |
13 | 1736119a91a |
14 | a58b69b258 |
15 | 58cd117e7a |
hex | 320a2df74e |
214919149390 has 32 divisors (see below), whose sum is σ = 422663598720. Its totient is φ = 78033799200.
The previous prime is 214919149369. The next prime is 214919149391. The reversal of 214919149390 is 93941919412.
It is a super-2 number, since 2×2149191493902 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214919149391) 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, 1409916 + ... + 1554895.
It is an arithmetic number, because the mean of its divisors is an integer number (13208237460).
Almost surely, 2214919149390 is an apocalyptic number.
214919149390 is a deficient number, since it is larger than the sum of its proper divisors (207744449330).
214919149390 is a wasteful number, since it uses less digits than its factorization.
214919149390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2965488.
The product of its (nonzero) digits is 629856, while the sum is 52.
The spelling of 214919149390 in words is "two hundred fourteen billion, nine hundred nineteen million, one hundred forty-nine thousand, three hundred ninety".
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