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1231103233304 = 23719260897469
BaseRepresentation
bin10001111010100011011…
…110001000110100011000
311100200200200221001221022
4101322203132020310120
5130132244411431204
62341321102502012
7154641612552350
oct21724336106430
94320620831838
101231103233304
1143512075368a
1217a719b94908
138c1283c3379
144382b2b3b60
15220555d85be
hex11ea3788d18

1231103233304 has 48 divisors (see below), whose sum is σ = 2784232328400. Its totient is φ = 499846417344.

The previous prime is 1231103233291. The next prime is 1231103233309. The reversal of 1231103233304 is 4033323011321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231103233309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30428519 + ... + 30468950.

It is an arithmetic number, because the mean of its divisors is an integer number (58004840175).

Almost surely, 21231103233304 is an apocalyptic number.

1231103233304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1231103233304 is an abundant number, since it is smaller than the sum of its proper divisors (1553129095096).

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

1231103233304 is a wasteful number, since it uses less digits than its factorization.

1231103233304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60897520 (or 60897497 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1231103233304 its reverse (4033323011321), we get a palindrome (5264426244625).

The spelling of 1231103233304 in words is "one trillion, two hundred thirty-one billion, one hundred three million, two hundred thirty-three thousand, three hundred four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 361 532 722 1064 1444 2527 2888 5054 10108 20216 60897469 121794938 243589876 426282283 487179752 852564566 1157051911 1705129132 2314103822 3410258264 4628207644 8099363377 9256415288 16198726754 21983986309 32397453508 43967972618 64794907016 87935945236 153887904163 175871890472 307775808326 615551616652 1231103233304