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1234688913444 = 223728152308461
BaseRepresentation
bin10001111101111001001…
…100011011000000100100
311101000221121000111101110
4101331321030123000210
5130212120330212234
62343112552225020
7155126512413330
oct21757114330044
94330847014343
101234688913444
114366a07811a8
1217b35a99b170
138c57a22b5ac
1443a8b5b67c0
15221b52bc1e9
hex11f7931b024

1234688913444 has 48 divisors (see below), whose sum is σ = 3304220927616. Its totient is φ = 351512851200.

The previous prime is 1234688913427. The next prime is 1234688913449. The reversal of 1234688913444 is 4443198864321.

It is a super-2 number, since 2×12346889134442 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1234688913449) 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 15 ways as a sum of consecutive naturals, for example, 26130627 + ... + 26177834.

It is an arithmetic number, because the mean of its divisors is an integer number (68837935992).

Almost surely, 21234688913444 is an apocalyptic number.

1234688913444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1234688913444 is an abundant number, since it is smaller than the sum of its proper divisors (2069532014172).

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

1234688913444 is a wasteful number, since it uses less digits than its factorization.

1234688913444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52308756 (or 52308754 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The spelling of 1234688913444 in words is "one trillion, two hundred thirty-four billion, six hundred eighty-eight million, nine hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 281 562 843 1124 1686 1967 3372 3934 5901 7868 11802 23604 52308461 104616922 156925383 209233844 313850766 366159227 627701532 732318454 1098477681 1464636908 2196955362 4393910724 14698677541 29397355082 44096032623 58794710164 88192065246 102890742787 176384130492 205781485574 308672228361 411562971148 617344456722 1234688913444