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21430286791041 = 3223169737675011
BaseRepresentation
bin1001101111101101000001…
…01000011011000110000001
32210212201022112101200212010
410313312200220123012001
510302103211404303131
6113324534323523133
74341200325114162
oct467664050330601
983781275350763
1021430286791041
116912596230747
1224a13bb8294a9
13bc5b3780742b
14541335007769
152726b6dbeb46
hex137da0a1b181

21430286791041 has 32 divisors (see below), whose sum is σ = 28732118704128. Its totient is φ = 14207800803840.

The previous prime is 21430286791009. The next prime is 21430286791061. The reversal of 21430286791041 is 14019768203412.

It is not a de Polignac number, because 21430286791041 - 25 = 21430286791009 is a prime.

It is a super-2 number, since 2×214302867910412 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21430286791061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4276646226 + ... + 4276651236.

It is an arithmetic number, because the mean of its divisors is an integer number (897878709504).

Almost surely, 221430286791041 is an apocalyptic number.

It is an amenable number.

21430286791041 is a deficient number, since it is larger than the sum of its proper divisors (7301831913087).

21430286791041 is a wasteful number, since it uses less digits than its factorization.

21430286791041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 21430286791041 in words is "twenty-one trillion, four hundred thirty billion, two hundred eighty-six million, seven hundred ninety-one thousand, forty-one".

Divisors: 1 3 223 669 1697 3767 5011 5091 11301 15033 378431 840041 1117453 1135293 2520123 3352359 6392599 8503667 18876437 19177797 25511001 56629311 1425549577 1896317741 4209445451 4276648731 5688953223 12628336353 32033313589 96099940767 7143428930347 21430286791041