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20294232127744 = 282815572
BaseRepresentation
bin1001001110101000111100…
…11111110011100100000000
32122212002221221010021010111
410213110132133303210000
510130000041411041434
6111055012545441104
74163131663603201
oct447243637634400
978762857107114
1020294232127744
11651480aa6a563
1223391a9340194
13b4297916c483
145023633375a8
15252d75eb0964
hex12751e7f3900

20294232127744 has 27 divisors (see below), whose sum is σ = 40509333787377. Its totient is φ = 10147080024576.

The previous prime is 20294232127651. The next prime is 20294232127781. The reversal of 20294232127744 is 44772123249202.

The square root of 20294232127744 is 4504912.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9903357241600 + 10390874886144 = 3146960^2 + 3223488^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 71937814 + ... + 72219370.

Almost surely, 220294232127744 is an apocalyptic number.

20294232127744 is the 4504912-nd square number.

It is an amenable number.

20294232127744 is a deficient number, since it is larger than the sum of its proper divisors (20215101659633).

20294232127744 is an frugal number, since it uses more digits than its factorization.

20294232127744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563130 (or 281559 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 49.

Multiplying 20294232127744 by its sum of digits (49), we get a square (994417374259456 = 315343842).

The spelling of 20294232127744 in words is "twenty trillion, two hundred ninety-four billion, two hundred thirty-two million, one hundred twenty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 256 281557 563114 1126228 2252456 4504912 9009824 18019648 36039296 72078592 79274344249 158548688498 317097376996 634194753992 1268389507984 2536779015968 5073558031936 10147116063872 20294232127744