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2018919480812 = 221373531854447
BaseRepresentation
bin11101011000010000111…
…110100111110111101100
321011000011222012001112122
4131120100332213313230
5231034221341341222
64143251231052112
7265601464303163
oct35302076476754
97130158161478
102018919480812
11709245460843
12287344071038
131184ca11c330
146da054683da
15377b3e5ea42
hex1d610fa7dec

2018919480812 has 24 divisors (see below), whose sum is σ = 3857008456896. Its totient is φ = 919044482688.

The previous prime is 2018919480811. The next prime is 2018919480833. The reversal of 2018919480812 is 2180849198102.

It is not an unprimeable number, because it can be changed into a prime (2018919480811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265923428 + ... + 265931019.

It is an arithmetic number, because the mean of its divisors is an integer number (160708685704).

Almost surely, 22018919480812 is an apocalyptic number.

It is an amenable number.

2018919480812 is a deficient number, since it is larger than the sum of its proper divisors (1838088976084).

2018919480812 is a wasteful number, since it uses less digits than its factorization.

2018919480812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531854537 (or 531854535 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 53.

The spelling of 2018919480812 in words is "two trillion, eighteen billion, nine hundred nineteen million, four hundred eighty thousand, eight hundred twelve".

Divisors: 1 2 4 13 26 52 73 146 292 949 1898 3796 531854447 1063708894 2127417788 6914107811 13828215622 27656431244 38825374631 77650749262 155301498524 504729870203 1009459740406 2018919480812