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27307225400320 = 21052931101151389
BaseRepresentation
bin1100011010101111101010…
…11110000100010000000000
310120200112201111012212200101
412031113311132010100000
512034400144200302240
6134024433254132144
75515611334061515
oct615276536042000
9116615644185611
1027307225400320
118778a249278a8
1230903a6651054
1312310a2652668
146a596906730c
153254cc23339a
hex18d5f5784400

27307225400320 has 704 divisors, whose sum is σ = 71293295923200. Its totient is φ = 10012262400000.

The previous prime is 27307225400311. The next prime is 27307225400369. The reversal of 27307225400320 is 2300452270372.

It is a super-2 number, since 2×273072254003202 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27307225400320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70198522686 + ... + 70198523074.

Almost surely, 227307225400320 is an apocalyptic number.

27307225400320 is a gapful number since it is divisible by the number (20) 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 27307225400320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35646647961600).

27307225400320 is an abundant number, since it is smaller than the sum of its proper divisors (43986070522880).

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

27307225400320 is a wasteful number, since it uses less digits than its factorization.

27307225400320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

Adding to 27307225400320 its reverse (2300452270372), we get a palindrome (29607677670692).

The spelling of 27307225400320 in words is "twenty-seven trillion, three hundred seven billion, two hundred twenty-five million, four hundred thousand, three hundred twenty".