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10231113203220 = 2235713337417309
BaseRepresentation
bin1001010011100001110111…
…0111100011111000010100
31100020002021212111102102210
42110320131313203320110
52320111304440000340
633432035235033420
72104113344223510
oct224703567437024
940202255442383
1010231113203220
113294a99751308
121192a3713b870
13592a36364000
1427528d433140
1512b204ad4180
hex94e1dde3e14

10231113203220 has 768 divisors, whose sum is σ = 37318698547200. Its totient is φ = 2048803061760.

The previous prime is 10231113203209. The next prime is 10231113203279. The reversal of 10231113203220 is 2230231113201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1399792926 + ... + 1399800234.

It is an arithmetic number, because the mean of its divisors is an integer number (48592055400).

Almost surely, 210231113203220 is an apocalyptic number.

10231113203220 is a gapful number since it is divisible by the number (10) 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 10231113203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18659349273600).

10231113203220 is an abundant number, since it is smaller than the sum of its proper divisors (27087585343980).

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

10231113203220 is a wasteful number, since it uses less digits than its factorization.

10231113203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445 (or 7417 counting only the distinct ones).

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

Adding to 10231113203220 its reverse (2230231113201), we get a palindrome (12461344316421).

The spelling of 10231113203220 in words is "ten trillion, two hundred thirty-one billion, one hundred thirteen million, two hundred three thousand, two hundred twenty".