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27454111104 = 27371719103307
BaseRepresentation
bin11001100100011001…
…000111110110000000
32121212022202100100210
4121210121013312000
5422211223023404
620340124514120
71661224044150
oct314431076600
977768670323
1027454111104
1110709148022
1253a23ab940
132786ab9874
141486290760
15aaa386689
hex664647d80

27454111104 has 512 divisors, whose sum is σ = 94097203200. Its totient is φ = 6903595008.

The previous prime is 27454111067. The next prime is 27454111129. The reversal of 27454111104 is 40111145472.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 89426919 + ... + 89427225.

It is an arithmetic number, because the mean of its divisors is an integer number (183783600).

Almost surely, 227454111104 is an apocalyptic number.

27454111104 is a gapful number since it is divisible by the number (24) 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 27454111104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47048601600).

27454111104 is an abundant number, since it is smaller than the sum of its proper divisors (66643092096).

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

27454111104 is a wasteful number, since it uses less digits than its factorization.

27454111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 27454111104 its reverse (40111145472), we get a palindrome (67565256576).

The spelling of 27454111104 in words is "twenty-seven billion, four hundred fifty-four million, one hundred eleven thousand, one hundred four".