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2257574312448 = 2934721397881
BaseRepresentation
bin100000110110100001111…
…010100011101000000000
321222211012020100122110000
4200312201322203220000
5243442003010444243
64445040524240000
7322050540015300
oct40664172435000
97884166318400
102257574312448
117a0482932094
123056490a0000
13134b718cc940
147b3a51d9600
153dad0c575d3
hex20da1ea3a00

2257574312448 has 1200 divisors, whose sum is σ = 8538047295624. Its totient is φ = 588597166080.

The previous prime is 2257574312431. The next prime is 2257574312453. The reversal of 2257574312448 is 8442134757522.

2257574312448 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 574 + 3 + 1 + 24 + 48 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1118077841664 + 1139496470784 = 1057392^2 + 1067472^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2257574312394 and 2257574312403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2562512968 + ... + 2562513848.

Almost surely, 22257574312448 is an apocalyptic number.

2257574312448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257574312448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4269023647812).

2257574312448 is an abundant number, since it is smaller than the sum of its proper divisors (6280472983176).

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

2257574312448 is an equidigital number, since it uses as much as digits as its factorization.

2257574312448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1003 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 54.

The spelling of 2257574312448 in words is "two trillion, two hundred fifty-seven billion, five hundred seventy-four million, three hundred twelve thousand, four hundred forty-eight".