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10010121007 = 37270543811
BaseRepresentation
bin10010101001010011…
…00101001100101111
3221211121210211112111
421110221211030233
5131000042333012
64333143344451
7503026424155
oct112451451457
927747724474
1010010121007
1142774a8087
121b34452127
13c36b22133
146ad6393d5
153d8c0bba7
hex254a6532f

10010121007 has 4 divisors (see below), whose sum is σ = 10280664856. Its totient is φ = 9739577160.

The previous prime is 10010120963. The next prime is 10010121029. The reversal of 10010121007 is 70012101001.

10010121007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70012101001 = 312258454871.

It is a cyclic number.

It is not a de Polignac number, because 10010121007 - 231 = 7862637359 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 (10010121097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135271869 + ... + 135271942.

It is an arithmetic number, because the mean of its divisors is an integer number (2570166214).

Almost surely, 210010121007 is an apocalyptic number.

10010121007 is a deficient number, since it is larger than the sum of its proper divisors (270543849).

10010121007 is an equidigital number, since it uses as much as digits as its factorization.

10010121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270543848.

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 10010121007 its reverse (70012101001), we get a palindrome (80022222008).

The spelling of 10010121007 in words is "ten billion, ten million, one hundred twenty-one thousand, seven".

Divisors: 1 37 270543811 10010121007