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20314471065 = 357947204299
BaseRepresentation
bin10010111010110101…
…100011101010011001
31221102202021001110020
4102322311203222121
5313101001033230
613155441341053
71316261104110
oct227265435231
957382231406
1020314471065
118684a97869
123b2b337789
131bb98a13a5
14da9d84c77
157dd687810
hex4bad63a99

20314471065 has 32 divisors (see below), whose sum is σ = 37185868800. Its totient is φ = 9276763584.

The previous prime is 20314471007. The next prime is 20314471069. The reversal of 20314471065 is 56017441302.

It is not a de Polignac number, because 20314471065 - 214 = 20314454681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20314471069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2715 + ... + 201584.

It is an arithmetic number, because the mean of its divisors is an integer number (1162058400).

Almost surely, 220314471065 is an apocalyptic number.

It is an amenable number.

20314471065 is a deficient number, since it is larger than the sum of its proper divisors (16871397735).

20314471065 is a wasteful number, since it uses less digits than its factorization.

20314471065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205261.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 20314471065 in words is "twenty billion, three hundred fourteen million, four hundred seventy-one thousand, sixty-five".

Divisors: 1 3 5 7 15 21 35 105 947 2841 4735 6629 14205 19887 33145 99435 204299 612897 1021495 1430093 3064485 4290279 7150465 21451395 193471153 580413459 967355765 1354298071 2902067295 4062894213 6771490355 20314471065