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11232312220020 = 2235383274884421
BaseRepresentation
bin1010001101110011100111…
…1110101101100101110100
31110202210120011002012202110
42203130321332231211310
52433012233412020040
635520015240411020
72236336111364403
oct243347176554564
943683504065673
1011232312220020
113640662471281
121314a92776a70
13636282b6b638
142ab90abd163a
151472a173e980
hexa3739fad974

11232312220020 has 48 divisors (see below), whose sum is σ = 31451301237888. Its totient is φ = 2995204494720.

The previous prime is 11232312220007. The next prime is 11232312220043. The reversal of 11232312220020 is 2002221323211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142591 + ... + 4741830.

It is an arithmetic number, because the mean of its divisors is an integer number (655235442456).

Almost surely, 211232312220020 is an apocalyptic number.

11232312220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11232312220020 is an abundant number, since it is smaller than the sum of its proper divisors (20218989017868).

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

11232312220020 is a wasteful number, since it uses less digits than its factorization.

11232312220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922760 (or 4922758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11232312220020 its reverse (2002221323211), we get a palindrome (13234533543231).

The spelling of 11232312220020 in words is "eleven trillion, two hundred thirty-two billion, three hundred twelve million, two hundred twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 38327 76654 114981 153308 191635 229962 383270 459924 574905 766540 1149810 2299620 4884421 9768842 14653263 19537684 24422105 29306526 48844210 58613052 73266315 97688420 146532630 293065260 187205203667 374410407334 561615611001 748820814668 936026018335 1123231222002 1872052036670 2246462444004 2808078055005 3744104073340 5616156110010 11232312220020