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27404150421 = 383110056829
BaseRepresentation
bin11001100001011010…
…100010011010010101
32121201211202002012010
4121201122202122111
5422110430303141
620331142014433
71660046302164
oct314132423225
977654662163
1027404150421
1110692a238aa
125389717419
13277964632b
14147d7a73db
15aa5cb8416
hex6616a2695

27404150421 has 8 divisors (see below), whose sum is σ = 36979094880. Its totient is φ = 18049319792.

The previous prime is 27404150413. The next prime is 27404150489. The reversal of 27404150421 is 12405140472.

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 27404150421 - 23 = 27404150413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27404152421) 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, 55028166 + ... + 55028663.

It is an arithmetic number, because the mean of its divisors is an integer number (4622386860).

Almost surely, 227404150421 is an apocalyptic number.

It is an amenable number.

27404150421 is a deficient number, since it is larger than the sum of its proper divisors (9574944459).

27404150421 is a wasteful number, since it uses less digits than its factorization.

27404150421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110056915.

The product of its (nonzero) digits is 8960, while the sum is 30.

Adding to 27404150421 its reverse (12405140472), we get a palindrome (39809290893).

The spelling of 27404150421 in words is "twenty-seven billion, four hundred four million, one hundred fifty thousand, four hundred twenty-one".

Divisors: 1 3 83 249 110056829 330170487 9134716807 27404150421