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331331030400 = 2735243802643
BaseRepresentation
bin1001101001001001101…
…11100100110110000000
31011200020000210021120110
410310210313210312000
520412031220433100
6412113353511320
732636456201316
oct4644467446600
91150200707513
10331331030400
11118575802157
125426a112540
1325323ba4956
14120722680b6
1589430a7250
hex4d24de4d80

331331030400 has 192 divisors, whose sum is σ = 1116702544320. Its totient is φ = 86300067840.

The previous prime is 331331030389. The next prime is 331331030423. The reversal of 331331030400 is 4030133133.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11479 + ... + 814121.

It is an arithmetic number, because the mean of its divisors is an integer number (5816159085).

Almost surely, 2331331030400 is an apocalyptic number.

331331030400 is a gapful number since it is divisible by the number (30) 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 331331030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558351272160).

331331030400 is an abundant number, since it is smaller than the sum of its proper divisors (785371513920).

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

331331030400 is a wasteful number, since it uses less digits than its factorization.

331331030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802713 (or 802696 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 331331030400 its reverse (4030133133), we get a palindrome (335361163533).

The spelling of 331331030400 in words is "three hundred thirty-one billion, three hundred thirty-one million, thirty thousand, four hundred".