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1333131020 = 225135127427
BaseRepresentation
bin100111101110101…
…1111011100001100
310102220112001221222
41033131133130030
510212240143040
6340141342512
745015266234
oct11735373414
93386461858
101333131020
11624577081
12312567a38
13183268130
14c90a6cc4
157c086bb5
hex4f75f70c

1333131020 has 24 divisors (see below), whose sum is σ = 3014927664. Its totient is φ = 492232896.

The previous prime is 1333130999. The next prime is 1333131061. The reversal of 1333131020 is 201313331.

It is a self number, because there is not a number n which added to its sum of digits gives 1333131020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563454 + ... + 2563973.

It is an arithmetic number, because the mean of its divisors is an integer number (125621986).

Almost surely, 21333131020 is an apocalyptic number.

1333131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333131020 is an abundant number, since it is smaller than the sum of its proper divisors (1681796644).

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

1333131020 is a wasteful number, since it uses less digits than its factorization.

1333131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127449 (or 5127447 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1333131020 is about 36512.0667725069. The cubic root of 1333131020 is about 1100.5867448233.

Adding to 1333131020 its reverse (201313331), we get a palindrome (1534444351).

The spelling of 1333131020 in words is "one billion, three hundred thirty-three million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5127427 10254854 20509708 25637135 51274270 66656551 102548540 133313102 266626204 333282755 666565510 1333131020