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2132221123020 = 223548772971291
BaseRepresentation
bin11111000001110010010…
…010000101100111001100
321112211122011012211120110
4133001302102011213030
5234413242101414040
64311310122320020
7310022266335522
oct37016222054714
97484564184513
102132221123020
117522a726757a
122a52a4659010
131260b5654b81
14752b2d34312
153a6e5d31980
hex1f0724859cc

2132221123020 has 48 divisors (see below), whose sum is σ = 5982478403328. Its totient is φ = 567424751040.

The previous prime is 2132221123013. The next prime is 2132221123051. The reversal of 2132221123020 is 203211222312.

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 15 ways as a sum of consecutive naturals, for example, 36456426 + ... + 36514865.

It is an arithmetic number, because the mean of its divisors is an integer number (124634966736).

Almost surely, 22132221123020 is an apocalyptic number.

2132221123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132221123020 is an abundant number, since it is smaller than the sum of its proper divisors (3850257280308).

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

2132221123020 is a wasteful number, since it uses less digits than its factorization.

2132221123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72971790 (or 72971788 counting only the distinct ones).

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

Adding to 2132221123020 its reverse (203211222312), we get a palindrome (2335432345332).

The spelling of 2132221123020 in words is "two trillion, one hundred thirty-two billion, two hundred twenty-one million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 487 974 1461 1948 2435 2922 4870 5844 7305 9740 14610 29220 72971291 145942582 218913873 291885164 364856455 437827746 729712910 875655492 1094569365 1459425820 2189138730 4378277460 35537018717 71074037434 106611056151 142148074868 177685093585 213222112302 355370187170 426444224604 533055280755 710740374340 1066110561510 2132221123020