Search a number
-
+
190280091808154 = 21032105574386887
BaseRepresentation
bin101011010000111100001001…
…010001111011000110011010
3220221201121011202112220100102
4223100330021101323012122
5144420022112000330104
61512405244543535402
755036166026012115
oct5320741121730632
9827647152486312
10190280091808154
11556a1374263417
12194116818ba562
1382234495c05aa
1434db869a0d57c
1516ee94db76a1e
hexad0f0947b19a

190280091808154 has 16 divisors (see below), whose sum is σ = 288192641413248. Its totient is φ = 94215887198832.

The previous prime is 190280091808151. The next prime is 190280091808171. The reversal of 190280091808154 is 451808190082091.

It is a self number, because there is not a number n which added to its sum of digits gives 190280091808154.

It is not an unprimeable number, because it can be changed into a prime (190280091808151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41181299 + ... + 45568185.

It is an arithmetic number, because the mean of its divisors is an integer number (18012040088328).

Almost surely, 2190280091808154 is an apocalyptic number.

190280091808154 is a deficient number, since it is larger than the sum of its proper divisors (97912549605094).

190280091808154 is a wasteful number, since it uses less digits than its factorization.

190280091808154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597549.

The product of its (nonzero) digits is 1658880, while the sum is 56.

The spelling of 190280091808154 in words is "one hundred ninety trillion, two hundred eighty billion, ninety-one million, eight hundred eight thousand, one hundred fifty-four".

Divisors: 1 2 103 206 210557 421114 4386887 8773774 21687371 43374742 451849361 903698722 923689766059 1847379532118 95140045904077 190280091808154