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2111303212320 = 2535231031919721
BaseRepresentation
bin11110101110010011011…
…110100101110100100000
321110211122100110212120010
4132232103132211310200
5234042422110243240
64253530323044520
7305352030125241
oct36562336456440
97424570425503
102111303212320
11744442692675
122a1227210740
13124130a52413
147428ab8ccc8
1539dbe6ec280
hex1eb937a5d20

2111303212320 has 384 divisors, whose sum is σ = 7044549378048. Its totient is φ = 530460057600.

The previous prime is 2111303212261. The next prime is 2111303212339. The reversal of 2111303212320 is 232123031112.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217185060 + ... + 217194780.

It is an arithmetic number, because the mean of its divisors is an integer number (18345180672).

Almost surely, 22111303212320 is an apocalyptic number.

2111303212320 is a gapful number since it is divisible by the number (20) 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 2111303212320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3522274689024).

2111303212320 is an abundant number, since it is smaller than the sum of its proper divisors (4933246165728).

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

2111303212320 is a wasteful number, since it uses less digits than its factorization.

2111303212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056 (or 10048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2111303212320 its reverse (232123031112), we get a palindrome (2343426243432).

The spelling of 2111303212320 in words is "two trillion, one hundred eleven billion, three hundred three million, two hundred twelve thousand, three hundred twenty".