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133231312132230 = 235133111019959647
BaseRepresentation
bin11110010010110001010101…
…000010000101100010000110
3122110201210022012212101010110
4132102301111002011202012
5114430330211401212410
61151205341515133450
740030434054512034
oct3622612502054206
9573653265771113
10133231312132230
11394a709a402534
1212b39154a44286
135945874591540
1424c860397d554
1510609bb175720
hex792c55085886

133231312132230 has 64 divisors (see below), whose sum is σ = 355459818405888. Its totient is φ = 31737483780480.

The previous prime is 133231312132229. The next prime is 133231312132249. The reversal of 133231312132230 is 32231213132331.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5509967734 + ... + 5509991913.

It is an arithmetic number, because the mean of its divisors is an integer number (5554059662592).

Almost surely, 2133231312132230 is an apocalyptic number.

133231312132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133231312132230 is an abundant number, since it is smaller than the sum of its proper divisors (222228506273658).

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

133231312132230 is a wasteful number, since it uses less digits than its factorization.

133231312132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019959701.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 133231312132230 its reverse (32231213132331), we get a palindrome (165462525264561).

The spelling of 133231312132230 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, three hundred twelve million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 11019959647 22039919294 33059878941 55099798235 66119757882 110199596470 143259475411 165299394705 286518950822 330598789410 341618749057 429778426233 683237498114 716297377055 859556852466 1024856247171 1432594754110 1708093745285 2049712494342 2148892131165 3416187490570 4297784262330 4441043737741 5124281235855 8882087475482 10248562471710 13323131213223 22205218688705 26646262426446 44410437377410 66615656066115 133231312132230