Base | Representation |
---|---|
bin | 10110101001110… |
… | …10001101110111 |
3 | 111020120120010111 |
4 | 23110322031313 |
5 | 342121440321 |
6 | 30505003451 |
7 | 4465143253 |
oct | 1324721567 |
9 | 436516114 |
10 | 190030711 |
11 | 982a3982 |
12 | 53783587 |
13 | 304a6710 |
14 | 1b349263 |
15 | 11a3a5e1 |
hex | b53a377 |
190030711 has 8 divisors (see below), whose sum is σ = 204840720. Its totient is φ = 175248192.
The previous prime is 190030699. The next prime is 190030727. The reversal of 190030711 is 117030091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-190030711 is a prime.
It is a super-2 number, since 2×1900307112 = 72223342246331042, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190030411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8835 + ... + 21403.
It is an arithmetic number, because the mean of its divisors is an integer number (25605090).
Almost surely, 2190030711 is an apocalyptic number.
190030711 is a deficient number, since it is larger than the sum of its proper divisors (14810009).
190030711 is a wasteful number, since it uses less digits than its factorization.
190030711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13745.
The product of its (nonzero) digits is 189, while the sum is 22.
The square root of 190030711 is about 13785.1627121337. The cubic root of 190030711 is about 574.9206806781.
The spelling of 190030711 in words is "one hundred ninety million, thirty thousand, seven hundred eleven".
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