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20321064162514 = 2171974916179023
BaseRepresentation
bin1001001111011010111011…
…10011111001010011010010
32122221200012220022212012001
410213231131303321103102
510130420014411200024
6111115211253224214
74165101625253623
oct447553563712322
978850186285161
1020321064162514
116525129a50405
12234243733206a
13b45364100c1b
1450378ab35a4a
152538e6918244
hex127b5dcf94d2

20321064162514 has 32 divisors (see below), whose sum is σ = 32504533307136. Its totient is φ = 9494932366080.

The previous prime is 20321064162493. The next prime is 20321064162517. The reversal of 20321064162514 is 41526146012302.

It is not an unprimeable number, because it can be changed into a prime (20321064162517) 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, 199207 + ... + 6378229.

It is an arithmetic number, because the mean of its divisors is an integer number (1015766665848).

Almost surely, 220321064162514 is an apocalyptic number.

20321064162514 is a deficient number, since it is larger than the sum of its proper divisors (12183469144622).

20321064162514 is a wasteful number, since it uses less digits than its factorization.

20321064162514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179730.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 20321064162514 in words is "twenty trillion, three hundred twenty-one billion, sixty-four million, one hundred sixty-two thousand, five hundred fourteen".

Divisors: 1 2 17 34 197 394 491 982 3349 6698 8347 16694 96727 193454 1644359 3288718 6179023 12358046 105043391 210086782 1217267531 2434535062 3033900293 6067800586 20693548027 41387096054 51576304981 103152609962 597678357721 1195356715442 10160532081257 20321064162514