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53896802747472 = 24341729700112049
BaseRepresentation
bin11000100000100110100111…
…10010000100010001010000
321001211111001212000100220000
430100103103302010101100
524031021123000404342
6310343503244050000
714231626005310626
oct1420232362042120
9231744055010800
1053896802747472
111619a5620784a3
12606568a233900
13240c5a64c2b79
14d44895015516
15636ea5d7644c
hex3104d3c84450

53896802747472 has 400 divisors, whose sum is σ = 170903114514000. Its totient is φ = 16322052096000.

The previous prime is 53896802747441. The next prime is 53896802747477. The reversal of 53896802747472 is 27474720869835.

53896802747472 is a `hidden beast` number, since 5 + 3 + 8 + 9 + 6 + 80 + 2 + 7 + 474 + 72 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2519216537616 + 51377586209856 = 1587204^2 + 7167816^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 53896802747472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53896802747477) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4473128904 + ... + 4473140952.

It is an arithmetic number, because the mean of its divisors is an integer number (427257786285).

Almost surely, 253896802747472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53896802747472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85451557257000).

53896802747472 is an abundant number, since it is smaller than the sum of its proper divisors (117006311766528).

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

53896802747472 is a wasteful number, since it uses less digits than its factorization.

53896802747472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116 (or 19101 counting only the distinct ones).

The product of its (nonzero) digits is 1137991680, while the sum is 72.

The spelling of 53896802747472 in words is "fifty-three trillion, eight hundred ninety-six billion, eight hundred two million, seven hundred forty-seven thousand, four hundred seventy-two".