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5640268308480 = 21334513251521
BaseRepresentation
bin101001000010011101000…
…1100000110000000000000
3201222012111222220012110000
41102010322030012000000
51214402232141332410
615555034204240000
71121332051405341
oct122047214060000
921865458805400
105640268308480
11188502a467243
12771156540000
1331bb4b556c30
14156dc1abc0c8
159bab28c4dc0
hex5213a306000

5640268308480 has 1120 divisors, whose sum is σ = 21904287517728. Its totient is φ = 1380188160000.

The previous prime is 5640268308457. The next prime is 5640268308487. The reversal of 5640268308480 is 848038620465.

5640268308480 is a `hidden beast` number, since 5 + 6 + 402 + 6 + 83 + 0 + 84 + 80 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640268308487) 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, 10825850620 + ... + 10825851140.

Almost surely, 25640268308480 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 5640268308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10952143758864).

5640268308480 is an abundant number, since it is smaller than the sum of its proper divisors (16264019209248).

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

5640268308480 is a wasteful number, since it uses less digits than its factorization.

5640268308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 54.

The spelling of 5640268308480 in words is "five trillion, six hundred forty billion, two hundred sixty-eight million, three hundred eight thousand, four hundred eighty".