Search a number
-
+
201083257220 = 22557117607991
BaseRepresentation
bin1011101101000101111…
…1110000000110000100
3201020000211121212001012
42323101133300012010
511243304303212340
6232213144021352
720346013325216
oct2732137600604
9636024555035
10201083257220
11783082903aa
1232b7a461858
1315c6788a191
149a37d025b6
15536d5ee565
hex2ed17f0184

201083257220 has 24 divisors (see below), whose sum is σ = 423014399808. Its totient is φ = 80292434400.

The previous prime is 201083257211. The next prime is 201083257237. The reversal of 201083257220 is 22752380102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8792576 + ... + 8815415.

It is an arithmetic number, because the mean of its divisors is an integer number (17625599992).

Almost surely, 2201083257220 is an apocalyptic number.

201083257220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201083257220 is an abundant number, since it is smaller than the sum of its proper divisors (221931142588).

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

201083257220 is a wasteful number, since it uses less digits than its factorization.

201083257220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17608571 (or 17608569 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 201083257220 in words is "two hundred one billion, eighty-three million, two hundred fifty-seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 571 1142 2284 2855 5710 11420 17607991 35215982 70431964 88039955 176079910 352159820 10054162861 20108325722 40216651444 50270814305 100541628610 201083257220