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10121327 = 10319817
BaseRepresentation
bin100110100111…
…000001101111
3201001012211222
4212213001233
510042340302
61000533555
7152013146
oct46470157
921035758
1010121327
115793337
1234812bb
132134b68
1414b675d
15d4dda2
hex9a706f

10121327 has 4 divisors (see below), whose sum is σ = 10132176. Its totient is φ = 10110480.

The previous prime is 10121323. The next prime is 10121329. The reversal of 10121327 is 72312101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72312101 = 174253653.

It is a cyclic number.

It is not a de Polignac number, because 10121327 - 22 = 10121323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3878 + ... + 5939.

It is an arithmetic number, because the mean of its divisors is an integer number (2533044).

Almost surely, 210121327 is an apocalyptic number.

10121327 is a deficient number, since it is larger than the sum of its proper divisors (10849).

10121327 is an equidigital number, since it uses as much as digits as its factorization.

10121327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10848.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 10121327 is about 3181.4033067186. The cubic root of 10121327 is about 216.3112724677.

Adding to 10121327 its reverse (72312101), we get a palindrome (82433428).

The spelling of 10121327 in words is "ten million, one hundred twenty-one thousand, three hundred twenty-seven".

Divisors: 1 1031 9817 10121327