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10231444001 = 13774682073
BaseRepresentation
bin10011000011101011…
…10111001000100001
3222102001021012121102
421201311313020201
5131423222202001
64411131204145
7511354560542
oct114165671041
928361235542
1010231444001
114380424349
121b965a6655
13c70933a9c
146d0bac4c9
153ed378e6b
hex261d77221

10231444001 has 4 divisors (see below), whose sum is σ = 10306126212. Its totient is φ = 10156761792.

The previous prime is 10231443997. The next prime is 10231444009. The reversal of 10231444001 is 10044413201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10044413201 = 31332090777.

It can be written as a sum of positive squares in 2 ways, for example, as 7255632400 + 2975811601 = 85180^2 + 54551^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231444001 - 22 = 10231443997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10231444009) 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, 37340900 + ... + 37341173.

It is an arithmetic number, because the mean of its divisors is an integer number (2576531553).

Almost surely, 210231444001 is an apocalyptic number.

It is an amenable number.

10231444001 is a deficient number, since it is larger than the sum of its proper divisors (74682211).

10231444001 is an equidigital number, since it uses as much as digits as its factorization.

10231444001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74682210.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10231444001 its reverse (10044413201), we get a palindrome (20275857202).

The spelling of 10231444001 in words is "ten billion, two hundred thirty-one million, four hundred forty-four thousand, one".

Divisors: 1 137 74682073 10231444001