Base | Representation |
---|---|
bin | 1011000101101100100… |
… | …0001001010001010101 |
3 | 200012201210022210121021 |
4 | 2301123020021101111 |
5 | 11110124400012210 |
6 | 223303511121141 |
7 | 16522644242560 |
oct | 2613310112125 |
9 | 605653283537 |
10 | 190507422805 |
11 | 73880523487 |
12 | 30b086731b1 |
13 | 14c707b55ab |
14 | 93134c74d7 |
15 | 4e4ede8bda |
hex | 2c5b209455 |
190507422805 has 32 divisors (see below), whose sum is σ = 272727544320. Its totient is φ = 125019313920.
The previous prime is 190507422803. The next prime is 190507422811. The reversal of 190507422805 is 508224705091.
It is not a de Polignac number, because 190507422805 - 21 = 190507422803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190507422803) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1126825 + ... + 1284814.
It is an arithmetic number, because the mean of its divisors is an integer number (8522735760).
Almost surely, 2190507422805 is an apocalyptic number.
It is an amenable number.
190507422805 is a deficient number, since it is larger than the sum of its proper divisors (82220121515).
190507422805 is a wasteful number, since it uses less digits than its factorization.
190507422805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2411749.
The product of its (nonzero) digits is 201600, while the sum is 43.
The spelling of 190507422805 in words is "one hundred ninety billion, five hundred seven million, four hundred twenty-two thousand, eight hundred five".
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