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21470546417141 is a prime number
BaseRepresentation
bin1001110000111000000000…
…10010101101010111110101
32211000120020021222121102002
410320130000102231113311
510303233134340322031
6113355233255225045
74344124104231323
oct470340022552765
984016207877362
1021470546417141
116928675797708
1224a9176678185
13bc98825bc9b3
14543273c78d13
1527377158cccb
hex1387004ad5f5

21470546417141 has 2 divisors, whose sum is σ = 21470546417142. Its totient is φ = 21470546417140.

The previous prime is 21470546417053. The next prime is 21470546417183. The reversal of 21470546417141 is 14171464507412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19069999020241 + 2400547396900 = 4366921^2 + 1549370^2 .

It is a cyclic number.

It is not a de Polignac number, because 21470546417141 - 222 = 21470542222837 is a prime.

It is a super-2 number, since 2×214705464171412 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21470546417041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10735273208570 + 10735273208571.

It is an arithmetic number, because the mean of its divisors is an integer number (10735273208571).

Almost surely, 221470546417141 is an apocalyptic number.

It is an amenable number.

21470546417141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21470546417141 is an equidigital number, since it uses as much as digits as its factorization.

21470546417141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 21470546417141 in words is "twenty-one trillion, four hundred seventy billion, five hundred forty-six million, four hundred seventeen thousand, one hundred forty-one".