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20812364014463 = 713738815591897
BaseRepresentation
bin1001011101101110000011…
…00100000110001101111111
32201200122100102200020221222
410232313001210012031333
510211442210141430323
6112133022410143555
74245433532144210
oct456670144061577
981618312606858
1020812364014463
1166a45239aa8aa
1224016aa721bbb
13b7c79c946ca8
1451d4766b9407
1526159d84e9c8
hex12edc190637f

20812364014463 has 16 divisors (see below), whose sum is σ = 23965353831744. Its totient is φ = 17704390087680.

The previous prime is 20812364014423. The next prime is 20812364014499. The reversal of 20812364014463 is 36441046321802.

It is a cyclic number.

It is not a de Polignac number, because 20812364014463 - 214 = 20812363998079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20812364014423) 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, 925931 + ... + 6517827.

It is an arithmetic number, because the mean of its divisors is an integer number (1497834614484).

Almost surely, 220812364014463 is an apocalyptic number.

20812364014463 is a deficient number, since it is larger than the sum of its proper divisors (3152989817281).

20812364014463 is a wasteful number, since it uses less digits than its factorization.

20812364014463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595922.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 20812364014463 in words is "twenty trillion, eight hundred twelve billion, three hundred sixty-four million, fourteen thousand, four hundred sixty-three".

Divisors: 1 7 137 959 3881 27167 531697 3721879 5591897 39143279 766089889 5362629223 21702152257 151915065799 2973194859209 20812364014463