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1010412121 = 1516691471
BaseRepresentation
bin111100001110011…
…010101001011001
32121102021020212011
4330032122221121
54032131141441
6244132345521
734016234635
oct7416325131
92542236764
101010412121
11479395644
122424752a1
131314444c4
149829bdc5
155da8b581
hex3c39aa59

1010412121 has 4 divisors (see below), whose sum is σ = 1017103744. Its totient is φ = 1003720500.

The previous prime is 1010412101. The next prime is 1010412173. The reversal of 1010412121 is 1212140101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010412121 - 213 = 1010403929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010412101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345585 + ... + 3345886.

It is an arithmetic number, because the mean of its divisors is an integer number (254275936).

Almost surely, 21010412121 is an apocalyptic number.

It is an amenable number.

1010412121 is a deficient number, since it is larger than the sum of its proper divisors (6691623).

1010412121 is an equidigital number, since it uses as much as digits as its factorization.

1010412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691622.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1010412121 is about 31786.9803693273. The cubic root of 1010412121 is about 1003.4587303920.

Adding to 1010412121 its reverse (1212140101), we get a palindrome (2222552222).

The spelling of 1010412121 in words is "one billion, ten million, four hundred twelve thousand, one hundred twenty-one".

Divisors: 1 151 6691471 1010412121