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21023033032012 = 2211539015022741
BaseRepresentation
bin1001100011110110011100…
…11010100111110101001100
32202102210010022121012010111
410301323032122213311030
510223420132424011022
6112413503102245404
74266602233224514
oct461731632476514
982383108535114
1021023033032012
116775900093880
1224364a3286864
13b966044357ab
1452973d710844
15266ccd784477
hex131ece6a7d4c

21023033032012 has 24 divisors (see below), whose sum is σ = 40892143157712. Its totient is φ = 9375623649600.

The previous prime is 21023033032007. The next prime is 21023033032021.

21023033032012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4507509039 + ... + 4507513702.

It is an arithmetic number, because the mean of its divisors is an integer number (1703839298238).

Almost surely, 221023033032012 is an apocalyptic number.

21023033032012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21023033032012 is a deficient number, since it is larger than the sum of its proper divisors (19869110125700).

21023033032012 is a wasteful number, since it uses less digits than its factorization.

21023033032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015022809 (or 9015022807 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

It can be divided in two parts, 2102303 and 3032012, that added together give a palindrome (5134315).

The spelling of 21023033032012 in words is "twenty-one trillion, twenty-three billion, thirty-three million, thirty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 53 106 212 583 1166 2332 9015022741 18030045482 36060090964 99165250151 198330500302 396661000604 477796205273 955592410546 1911184821092 5255758258003 10511516516006 21023033032012