Search a number
-
+
1333113220 = 22566655661
BaseRepresentation
bin100111101110101…
…1011000110000100
310102220111011112201
41033131123012010
510212234110340
6340141124244
745015163315
oct11735330604
93386434481
101333113220
1162456476a
12312559684
1318325ccba
14c90a060c
157c08179a
hex4f75b184

1333113220 has 12 divisors (see below), whose sum is σ = 2799537804. Its totient is φ = 533245280.

The previous prime is 1333113203. The next prime is 1333113233. The reversal of 1333113220 is 223113331.

It can be written as a sum of positive squares in 2 ways, for example, as 201867264 + 1131245956 = 14208^2 + 33634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33327811 + ... + 33327850.

It is an arithmetic number, because the mean of its divisors is an integer number (233294817).

Almost surely, 21333113220 is an apocalyptic number.

1333113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333113220 is an abundant number, since it is smaller than the sum of its proper divisors (1466424584).

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

1333113220 is a wasteful number, since it uses less digits than its factorization.

1333113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66655670 (or 66655668 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1333113220 is about 36511.8230166613. The cubic root of 1333113220 is about 1100.5818464473.

Adding to 1333113220 its reverse (223113331), we get a palindrome (1556226551).

The spelling of 1333113220 in words is "one billion, three hundred thirty-three million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 66655661 133311322 266622644 333278305 666556610 1333113220