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5681272400 = 245214203181
BaseRepresentation
bin1010100101010000…
…10101011001010000
3112122221022112121022
411102220111121100
543113401204100
62335425215012
7260534006246
oct52250253120
915587275538
105681272400
112455a26051
121126791468
136c7041a5b
143bc762796
15233b79e85
hex152a15650

5681272400 has 30 divisors (see below), whose sum is σ = 13649257902. Its totient is φ = 2272508800.

The previous prime is 5681272397. The next prime is 5681272409. The reversal of 5681272400 is 42721865.

It can be written as a sum of positive squares in 3 ways, for example, as 1185838096 + 4495434304 = 34436^2 + 67048^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681272409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7101191 + ... + 7101990.

Almost surely, 25681272400 is an apocalyptic number.

5681272400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5681272400 is an abundant number, since it is smaller than the sum of its proper divisors (7967985502).

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

5681272400 is a wasteful number, since it uses less digits than its factorization.

5681272400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203199 (or 14203188 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 5681272400 is about 75374.2157504806. The cubic root of 5681272400 is about 1784.3575014003.

The spelling of 5681272400 in words is "five billion, six hundred eighty-one million, two hundred seventy-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 14203181 28406362 56812724 71015905 113625448 142031810 227250896 284063620 355079525 568127240 710159050 1136254480 1420318100 2840636200 5681272400