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10121340001 = 20634906127
BaseRepresentation
bin10010110110100011…
…10110010001100001
3222010101002100022111
421123101312101201
5131212030340001
64352155235321
7505546653613
oct113321662141
928111070274
1010121340001
114324261603
121b65748b41
13c53b932a6
146c030adb3
153e387a851
hex25b476461

10121340001 has 4 divisors (see below), whose sum is σ = 10126248192. Its totient is φ = 10116431812.

The previous prime is 10121339999. The next prime is 10121340007. The reversal of 10121340001 is 10004312101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10004312101 = 71429187443.

It is a cyclic number.

It is not a de Polignac number, because 10121340001 - 21 = 10121339999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121340007) 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, 2451001 + ... + 2455126.

It is an arithmetic number, because the mean of its divisors is an integer number (2531562048).

Almost surely, 210121340001 is an apocalyptic number.

It is an amenable number.

10121340001 is a deficient number, since it is larger than the sum of its proper divisors (4908191).

10121340001 is an equidigital number, since it uses as much as digits as its factorization.

10121340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908190.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10121340001 its reverse (10004312101), we get a palindrome (20125652102).

The spelling of 10121340001 in words is "ten billion, one hundred twenty-one million, three hundred forty thousand, one".

Divisors: 1 2063 4906127 10121340001