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100001100111001 = 364129274630969
BaseRepresentation
bin10110101111001101010010…
…000011001001110010011001
3111010002000022121100221212121
4112233031102003021302121
5101101404223112023001
6552403512101541241
730030561325010035
oct2657152203116231
9433060277327777
10100001100111001
1129955256a97921
12b270a72114821
1343a50a90352bb
141a9a116d7d1c5
15b863d11786a1
hex5af3520c9c99

100001100111001 has 4 divisors (see below), whose sum is σ = 100001375106100. Its totient is φ = 100000825115904.

The previous prime is 100001100110993. The next prime is 100001100111041. The reversal of 100001100111001 is 100111001100001.

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 72071185775625 + 27929914335376 = 8489475^2 + 5284876^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001100111001 - 23 = 100001100110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001100111041) 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, 136951356 + ... + 137679613.

It is an arithmetic number, because the mean of its divisors is an integer number (25000343776525).

Almost surely, 2100001100111001 is an apocalyptic number.

It is an amenable number.

100001100111001 is a deficient number, since it is larger than the sum of its proper divisors (274995099).

100001100111001 is an equidigital number, since it uses as much as digits as its factorization.

100001100111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274995098.

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

Adding to 100001100111001 its reverse (100111001100001), we get a palindrome (200112101211002).

It can be divided in two parts, 100001 and 100111001, that multiplied together give a palindrome (10011200211001).

The spelling of 100001100111001 in words is "one hundred trillion, one billion, one hundred million, one hundred eleven thousand, one".

Divisors: 1 364129 274630969 100001100111001