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2133111320 = 235431240181
BaseRepresentation
bin111111100100100…
…1011001000011000
312111122211021121222
41333021023020120
513332034030240
6551355551212
7103601101304
oct17711131030
95448737558
102133111320
119a50a411a
124b645b508
1327cc12062
14163428d04
15c7407eb5
hex7f24b218

2133111320 has 32 divisors (see below), whose sum is σ = 4911120720. Its totient is φ = 833400960.

The previous prime is 2133111307. The next prime is 2133111341. The reversal of 2133111320 is 231113312.

It is a congruent number.

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, 618371 + ... + 621810.

Almost surely, 22133111320 is an apocalyptic number.

2133111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133111320 is an abundant number, since it is smaller than the sum of its proper divisors (2778009400).

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

2133111320 is a wasteful number, since it uses less digits than its factorization.

2133111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240235 (or 1240231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2133111320 is about 46185.6181078049. The cubic root of 2133111320 is about 1287.2745213590.

Adding to 2133111320 its reverse (231113312), we get a palindrome (2364224632).

The spelling of 2133111320 in words is "two billion, one hundred thirty-three million, one hundred eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 1240181 2480362 4960724 6200905 9921448 12401810 24803620 49607240 53327783 106655566 213311132 266638915 426622264 533277830 1066555660 2133111320