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100010110101001 = 315413170797061
BaseRepresentation
bin10110101111010101101011…
…000101100010011000001001
3111010002212120112020212120221
4112233111223011202120021
5101102031201141213001
6552412002121150041
730031330521446332
oct2657255305423011
9433085515225527
10100010110101001
112995905a991751
12b27276762b321
1343a5bb38a2729
141a9a72d835289
15b8675c17a1a1
hex5af56b162609

100010110101001 has 4 divisors (see below), whose sum is σ = 100013280929604. Its totient is φ = 100006939272400.

The previous prime is 100010110100987. The next prime is 100010110101007. The reversal of 100010110101001 is 100101011010001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3931004120976 + 96079105980025 = 1982676^2 + 9801995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100010110101001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010110101007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585366990 + ... + 1585430071.

It is an arithmetic number, because the mean of its divisors is an integer number (25003320232401).

Almost surely, 2100010110101001 is an apocalyptic number.

It is an amenable number.

100010110101001 is a deficient number, since it is larger than the sum of its proper divisors (3170828603).

100010110101001 is an equidigital number, since it uses as much as digits as its factorization.

100010110101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170828602.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100010110101001 its reverse (100101011010001), we get a palindrome (200111121111002).

The spelling of 100010110101001 in words is "one hundred trillion, ten billion, one hundred ten million, one hundred one thousand, one".

Divisors: 1 31541 3170797061 100010110101001