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1000010010001 = 2343478696087
BaseRepresentation
bin11101000110101010011…
…11011100110110010001
310112121012102020222121211
432203111033130312101
5112341010030310001
62043222005020121
7132151115556502
oct16432517346621
93477172228554
101000010010001
11356113642622
121419853b4641
13733ba391b12
14365878d0ba9
151b02c592351
hexe8d53dcd91

1000010010001 has 4 divisors (see below), whose sum is σ = 1043488706112. Its totient is φ = 956531313892.

The previous prime is 1000010009951. The next prime is 1000010010019. The reversal of 1000010010001 is 1000100100001.

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 1000010010001 - 215 = 1000009977233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000010011001) 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, 21739348021 + ... + 21739348066.

It is an arithmetic number, because the mean of its divisors is an integer number (260872176528).

Almost surely, 21000010010001 is an apocalyptic number.

It is an amenable number.

1000010010001 is a deficient number, since it is larger than the sum of its proper divisors (43478696111).

1000010010001 is an equidigital number, since it uses as much as digits as its factorization.

1000010010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43478696110.

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 1000010010001 its reverse (1000100100001), we get a palindrome (2000110110002).

The spelling of 1000010010001 in words is "one trillion, ten million, ten thousand, one".

Divisors: 1 23 43478696087 1000010010001