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2012232331242 = 232731151350797
BaseRepresentation
bin11101010010000010011…
…001001010111111101010
321010100220221010122212100
4131102002121022333222
5230432022434044432
64140223510154230
7265243664414250
oct35220231127752
97110827118770
102012232331242
11706423768351
12285b98652976
131179a28932b3
146d56d2a85d0
1537521d4207c
hex1d48264afea

2012232331242 has 48 divisors (see below), whose sum is σ = 4998692080512. Its totient is φ = 573074883360.

The previous prime is 2012232331217. The next prime is 2012232331271. The reversal of 2012232331242 is 2421332322102.

2012232331242 is a `hidden beast` number, since 2 + 0 + 1 + 22 + 323 + 312 + 4 + 2 = 666.

It is a super-2 number, since 2×20122323312422 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25636213 + ... + 25714584.

It is an arithmetic number, because the mean of its divisors is an integer number (104139418344).

Almost surely, 22012232331242 is an apocalyptic number.

2012232331242 is an abundant number, since it is smaller than the sum of its proper divisors (2986459749270).

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

2012232331242 is a wasteful number, since it uses less digits than its factorization.

2012232331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351123 (or 51351120 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2012232331242 its reverse (2421332322102), we get a palindrome (4433564653344).

The spelling of 2012232331242 in words is "two trillion, twelve billion, two hundred thirty-two million, three hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 311 622 933 1866 2177 2799 4354 5598 6531 13062 19593 39186 51350797 102701594 154052391 308104782 359455579 462157173 718911158 924314346 1078366737 2156733474 3235100211 6470200422 15970097867 31940195734 47910293601 95820587202 111790685069 143730880803 223581370138 287461761606 335372055207 670744110414 1006116165621 2012232331242