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10440331044421 = 16063649961467
BaseRepresentation
bin1001011111101101010000…
…1110010010011001000101
31100222002022121202221220011
42113323110032102121011
52332023244221410141
634112115531310221
72125201064434225
oct227732416223105
940862277687804
1010440331044421
1133657a0771a93
1212074a58ab371
135a96992c6395
14281459834085
1513189c415881
hex97ed4392645

10440331044421 has 4 divisors (see below), whose sum is σ = 10440981021952. Its totient is φ = 10439681066892.

The previous prime is 10440331044413. The next prime is 10440331044463. The reversal of 10440331044421 is 12444013304401.

10440331044421 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 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 10440331044421 - 23 = 10440331044413 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 (10440331444421) 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, 324964671 + ... + 324996796.

It is an arithmetic number, because the mean of its divisors is an integer number (2610245255488).

Almost surely, 210440331044421 is an apocalyptic number.

It is an amenable number.

10440331044421 is a deficient number, since it is larger than the sum of its proper divisors (649977531).

10440331044421 is an equidigital number, since it uses as much as digits as its factorization.

10440331044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649977530.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 10440331044421 its reverse (12444013304401), we get a palindrome (22884344348822).

The spelling of 10440331044421 in words is "ten trillion, four hundred forty billion, three hundred thirty-one million, forty-four thousand, four hundred twenty-one".

Divisors: 1 16063 649961467 10440331044421