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11391939130392 = 23373141512287
BaseRepresentation
bin1010010111000110010001…
…1111000011010000011000
31111100001120211021110000000
42211301210133003100120
52443121142404133032
640121215023213000
72254016604625632
oct245614437032030
944301524243000
1011391939130392
1136a23267196a7
12133ba01447160
13648341a29562
142b5530d47a52
1514b4e5581e7c
hexa5c647c3418

11391939130392 has 256 divisors, whose sum is σ = 33874941542400. Its totient is φ = 3585182342400.

The previous prime is 11391939130333. The next prime is 11391939130409. The reversal of 11391939130392 is 29303193919311.

It is a happy number.

11391939130392 is a `hidden beast` number, since 1 + 1 + 3 + 91 + 9 + 39 + 130 + 392 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 21981273 + ... + 22493559.

It is an arithmetic number, because the mean of its divisors is an integer number (132323990400).

Almost surely, 211391939130392 is an apocalyptic number.

11391939130392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11391939130392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16937470771200).

11391939130392 is an abundant number, since it is smaller than the sum of its proper divisors (22483002412008).

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

11391939130392 is an equidigital number, since it uses as much as digits as its factorization.

11391939130392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512386 (or 512364 counting only the distinct ones).

The product of its (nonzero) digits is 1062882, while the sum is 54.

The spelling of 11391939130392 in words is "eleven trillion, three hundred ninety-one billion, nine hundred thirty-nine million, one hundred thirty thousand, three hundred ninety-two".