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10122400001 = 71446057143
BaseRepresentation
bin10010110110101011…
…11001000100000001
3222010110002012100202
421123111321010001
5131212313300001
64352234054545
7505561660160
oct113325710401
928113065322
1010122400001
114324915a3a
121b65b7a455
13c541748cc
146c05053d7
153e39d996b
hex25b579101

10122400001 has 4 divisors (see below), whose sum is σ = 11568457152. Its totient is φ = 8676342852.

The previous prime is 10122399997. The next prime is 10122400003. The reversal of 10122400001 is 10000422101.

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 10122400001 - 22 = 10122399997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10122400003) 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, 723028565 + ... + 723028578.

It is an arithmetic number, because the mean of its divisors is an integer number (2892114288).

Almost surely, 210122400001 is an apocalyptic number.

It is an amenable number.

10122400001 is a deficient number, since it is larger than the sum of its proper divisors (1446057151).

10122400001 is an equidigital number, since it uses as much as digits as its factorization.

10122400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446057150.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10122400001 its reverse (10000422101), we get a palindrome (20122822102).

The spelling of 10122400001 in words is "ten billion, one hundred twenty-two million, four hundred thousand, one".

Divisors: 1 7 1446057143 10122400001