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10121896 = 2310131249
BaseRepresentation
bin100110100111…
…001010101000
3201001020122001
4212213022220
510042400041
61000540344
7152014621
oct46471250
921036561
1010121896
115793804
1234816b4
1321351b5
1414b6a48
15d4e131
hex9a72a8

10121896 has 16 divisors (see below), whose sum is σ = 19012500. Its totient is φ = 5051904.

The previous prime is 10121833. The next prime is 10121897. The reversal of 10121896 is 69812101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8468100 + 1653796 = 2910^2 + 1286^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10121897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7480 + ... + 8728.

Almost surely, 210121896 is an apocalyptic number.

It is an amenable number.

10121896 is a deficient number, since it is larger than the sum of its proper divisors (8890604).

10121896 is a wasteful number, since it uses less digits than its factorization.

10121896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 10121896 is about 3181.4927314077. The cubic root of 10121896 is about 216.3153259154.

Adding to 10121896 its reverse (69812101), we get a palindrome (79933997).

The spelling of 10121896 in words is "ten million, one hundred twenty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 1013 1249 2026 2498 4052 4996 8104 9992 1265237 2530474 5060948 10121896