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27475030000 = 2454111012473
BaseRepresentation
bin11001100101101000…
…111010111111110000
32121220210010010200201
4121211220322333300
5422232101430000
620342153124544
71661566621165
oct314550727760
977823103621
1027475030000
1110719a35770
1253a93b9754
13278b232302
141488d7806c
15aac11996a
hex665a3aff0

27475030000 has 200 divisors, whose sum is σ = 73315169136. Its totient is φ = 9888000000.

The previous prime is 27475029973. The next prime is 27475030001. The reversal of 27475030000 is 3057472.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27475030001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11108764 + ... + 11111236.

Almost surely, 227475030000 is an apocalyptic number.

27475030000 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 27475030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36657584568).

27475030000 is an abundant number, since it is smaller than the sum of its proper divisors (45840139136).

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

27475030000 is a wasteful number, since it uses less digits than its factorization.

27475030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2592 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

Adding to 27475030000 its reverse (3057472), we get a palindrome (27478087472).

The spelling of 27475030000 in words is "twenty-seven billion, four hundred seventy-five million, thirty thousand".