Base | Representation |
---|---|
bin | 10000110110110111… |
… | …10001001110000111 |
3 | 212100201112201222120 |
4 | 20123123301032013 |
5 | 122013322331134 |
6 | 4054013101023 |
7 | 440162264406 |
oct | 103333611607 |
9 | 25321481876 |
10 | 9050198919 |
11 | 3924668443 |
12 | 1906a87773 |
13 | b12ca80b8 |
14 | 61bd6163d |
15 | 37e7e5649 |
hex | 21b6f1387 |
9050198919 has 16 divisors (see below), whose sum is σ = 12429572064. Its totient is φ = 5853772800.
The previous prime is 9050198917. The next prime is 9050198929. The reversal of 9050198919 is 9198910509.
It is not a de Polignac number, because 9050198919 - 21 = 9050198917 is a prime.
It is a super-2 number, since 2×90501989192 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9050198917) 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, 180994 + ... + 225519.
It is an arithmetic number, because the mean of its divisors is an integer number (776848254).
Almost surely, 29050198919 is an apocalyptic number.
9050198919 is a deficient number, since it is larger than the sum of its proper divisors (3379373145).
9050198919 is a wasteful number, since it uses less digits than its factorization.
9050198919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406738.
The product of its (nonzero) digits is 262440, while the sum is 51.
The square root of 9050198919 is about 95132.5334415099. The cubic root of 9050198919 is about 2083.9439868597.
It can be divided in two parts, 90501 and 98919, that added together give a triangular number (189420 = T615).
The spelling of 9050198919 in words is "nine billion, fifty million, one hundred ninety-eight thousand, nine hundred nineteen".
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