Search a number
-
+
420888082220 = 22533762446303
BaseRepresentation
bin1100001111111101110…
…00100111011100101100
31111020101102011220000122
412013332320213130230
523343434322112340
6521204152144112
742256666445624
oct6077670473454
91436342156018
10420888082220
11152552393771
12696a2698038
13308c6cc8bc8
141652a3c1884
15ae355d9db5
hex61fee2772c

420888082220 has 24 divisors (see below), whose sum is σ = 886487731584. Its totient is φ = 167855659776.

The previous prime is 420888082171. The next prime is 420888082273. The reversal of 420888082220 is 22280888024.

It is an unprimeable number.

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, 31216412 + ... + 31229891.

It is an arithmetic number, because the mean of its divisors is an integer number (36936988816).

Almost surely, 2420888082220 is an apocalyptic number.

It is an amenable number.

420888082220 is an abundant number, since it is smaller than the sum of its proper divisors (465599649364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420888082220 is a wasteful number, since it uses less digits than its factorization.

420888082220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62446649 (or 62446647 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 420888082220 in words is "four hundred twenty billion, eight hundred eighty-eight million, eighty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 337 674 1348 1685 3370 6740 62446303 124892606 249785212 312231515 624463030 1248926060 21044404111 42088808222 84177616444 105222020555 210444041110 420888082220