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21214026141587 is a prime number
BaseRepresentation
bin1001101001011010001100…
…11111100000111110010011
32210010001002221211102201122
410310231012133200332103
510240032311143012322
6113041331123352455
74316443225661666
oct464550637407623
983101087742648
1021214026141587
1168398aa787984
12246750652272b
13bab6217312b6
14534a9b5056dd
1526bc5b11a442
hex134b467e0f93

21214026141587 has 2 divisors, whose sum is σ = 21214026141588. Its totient is φ = 21214026141586.

The previous prime is 21214026141467. The next prime is 21214026141619. The reversal of 21214026141587 is 78514162041212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21214026141587 - 210 = 21214026140563 is a prime.

It is a super-3 number, since 3×212140261415873 (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (21214026141887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607013070793 + 10607013070794.

It is an arithmetic number, because the mean of its divisors is an integer number (10607013070794).

Almost surely, 221214026141587 is an apocalyptic number.

21214026141587 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214026141587 is an equidigital number, since it uses as much as digits as its factorization.

21214026141587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 44.

Adding to 21214026141587 its reverse (78514162041212), we get a palindrome (99728188182799).

The spelling of 21214026141587 in words is "twenty-one trillion, two hundred fourteen billion, twenty-six million, one hundred forty-one thousand, five hundred eighty-seven".