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56284197312 = 26372172127163
BaseRepresentation
bin110100011010110011…
…001011000111000000
312101021112122110201110
4310122303023013000
51410232223303222
641505005403320
74031526532500
oct643263130700
9171245573643
1056284197312
1121962a64552
12aaa9569540
1353cc992785
142a1d19ba00
1516e641930c
hexd1accb1c0

56284197312 has 504 divisors, whose sum is σ = 186608216064. Its totient is φ = 14923948032.

The previous prime is 56284197269. The next prime is 56284197317. The reversal of 56284197312 is 21379148265.

It is a super-2 number, since 2×562841973122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56284197317) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 345301743 + ... + 345301905.

Almost surely, 256284197312 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 56284197312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93304108032).

56284197312 is an abundant number, since it is smaller than the sum of its proper divisors (130324018752).

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

56284197312 is a wasteful number, since it uses less digits than its factorization.

56284197312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 319 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 56284197312 in words is "fifty-six billion, two hundred eighty-four million, one hundred ninety-seven thousand, three hundred twelve".