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21020223103241 = 59961367018543
BaseRepresentation
bin1001100011110001001101…
…11011100110000100001001
32202102111212111020000111112
410301320212323212010021
510223343404103300431
6112412320203540105
74266442503224405
oct461704673460411
982374774200445
1021020223103241
116774698a4479a
122435a3a22a635
13b9627724024b
14529554464105
15266bb6c37c2b
hex131e26ee6109

21020223103241 has 16 divisors (see below), whose sum is σ = 21095279539200. Its totient is φ = 20945318846400.

The previous prime is 21020223103223. The next prime is 21020223103259. The reversal of 21020223103241 is 14230132202012.

It is an interprime number because it is at equal distance from previous prime (21020223103223) and next prime (21020223103259).

It is a cyclic number.

It is not a de Polignac number, because 21020223103241 - 26 = 21020223103177 is a prime.

It is a super-2 number, since 2×210202231032412 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21020223103141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460515816 + ... + 2460524358.

It is an arithmetic number, because the mean of its divisors is an integer number (1318454971200).

Almost surely, 221020223103241 is an apocalyptic number.

It is an amenable number.

21020223103241 is a deficient number, since it is larger than the sum of its proper divisors (75056435959).

21020223103241 is an equidigital number, since it uses as much as digits as its factorization.

21020223103241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16456.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21020223103241 its reverse (14230132202012), we get a palindrome (35250355305253).

The spelling of 21020223103241 in words is "twenty-one trillion, twenty billion, two hundred twenty-three million, one hundred three thousand, two hundred forty-one".

Divisors: 1 599 613 6701 8543 367187 4013899 4107713 5117257 5236859 57246643 2460520087 3136878541 34290739157 35092192159 21020223103241