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20812364014460 = 2253209324281147
BaseRepresentation
bin1001011101101110000011…
…00100000110001101111100
32201200122100102200020221212
410232313001210012031330
510211442210141430320
6112133022410143552
74245433532144204
oct456670144061574
981618312606855
1020812364014460
1166a45239aa8a7
1224016aa721bb8
13b7c79c946ca5
1451d4766b9404
1526159d84e9c5
hex12edc190637c

20812364014460 has 24 divisors (see below), whose sum is σ = 43719584373360. Its totient is φ = 8322351330944.

The previous prime is 20812364014423. The next prime is 20812364014499. The reversal of 20812364014460 is 6441046321802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162076394 + ... + 162204753.

It is an arithmetic number, because the mean of its divisors is an integer number (1821649348890).

Almost surely, 220812364014460 is an apocalyptic number.

20812364014460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20812364014460 is an abundant number, since it is smaller than the sum of its proper divisors (22907220358900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20812364014460 is a wasteful number, since it uses less digits than its factorization.

20812364014460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324284365 (or 324284363 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 20812364014460 in words is "twenty trillion, eight hundred twelve billion, three hundred sixty-four million, fourteen thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 3209 6418 12836 16045 32090 64180 324281147 648562294 1297124588 1621405735 3242811470 6485622940 1040618200723 2081236401446 4162472802892 5203091003615 10406182007230 20812364014460