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27120475201 = 137421470213
BaseRepresentation
bin11001010000100000…
…011001110001000001
32121000001221212221111
4121100200121301001
5421020320201301
620243045523321
71650033143551
oct312040316101
977001855844
1027120475201
111055788a476
12530a713541
132732942b81
141453c43161
15a8ae31551
hex650819c41

27120475201 has 8 divisors (see below), whose sum is σ = 27383382504. Its totient is φ = 26858509440.

The previous prime is 27120475181. The next prime is 27120475253. The reversal of 27120475201 is 10257402172.

It can be written as a sum of positive squares in 4 ways, for example, as 925376400 + 26195098801 = 30420^2 + 161849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27120475201 - 211 = 27120473153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27120475601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177430 + ... + 292783.

It is an arithmetic number, because the mean of its divisors is an integer number (3422922813).

Almost surely, 227120475201 is an apocalyptic number.

It is an amenable number.

27120475201 is a deficient number, since it is larger than the sum of its proper divisors (262907303).

27120475201 is a wasteful number, since it uses less digits than its factorization.

27120475201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470771.

The product of its (nonzero) digits is 7840, while the sum is 31.

Adding to 27120475201 its reverse (10257402172), we get a palindrome (37377877373).

The spelling of 27120475201 in words is "twenty-seven billion, one hundred twenty million, four hundred seventy-five thousand, two hundred one".

Divisors: 1 137 421 57677 470213 64419181 197959673 27120475201