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1000101010001 = 4127190919901
BaseRepresentation
bin11101000110110101010…
…10100101101001010001
310112121102202111021011012
432203122222211221101
5112341201324310001
62043235015300305
7132153302215562
oct16433252455121
93477382437135
101000101010001
1135615aa47235
121419ab97a695
13734031a3c82
1436595a1c169
151b03556a2bb
hexe8daaa5a51

1000101010001 has 16 divisors (see below), whose sum is σ = 1028491113216. Its totient is φ = 971902800000.

The previous prime is 1000101009983. The next prime is 1000101010021.

1000101010001 is nontrivially palindromic in base 10.

1000101010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000101010001 - 26 = 1000101009937 is a prime.

1000101010001 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000101010021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101005151 + ... + 101015051.

It is an arithmetic number, because the mean of its divisors is an integer number (64280694576).

Almost surely, 21000101010001 is an apocalyptic number.

It is an amenable number.

1000101010001 is a deficient number, since it is larger than the sum of its proper divisors (28390103215).

1000101010001 is an equidigital number, since it uses as much as digits as its factorization.

1000101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19304.

The product of its (nonzero) digits is 1, while the sum is 5.

The spelling of 1000101010001 in words is "one trillion, one hundred one million, ten thousand, one".

Divisors: 1 41 271 9091 9901 11111 372731 405941 2463661 2683171 90009991 101010101 110010011 3690409631 24392707561 1000101010001