Search a number
-
+
100001011000001 = 902981110745421
BaseRepresentation
bin10110101111001101001100…
…101111001110001011000001
3111010002000002101200122120012
4112233031030233032023001
5101101404032304000001
6552403455155554305
730030556163406146
oct2657151457161301
9433060071618505
10100001011000001
1129955210763471
12b270a482bb995
1343a5093734bb7
141a9a1091c43cd
15b863c84252bb
hex5af34cbce2c1

100001011000001 has 4 divisors (see below), whose sum is σ = 100001122648404. Its totient is φ = 100000899351600.

The previous prime is 100001010999979. The next prime is 100001011000043. The reversal of 100001011000001 is 100000110100001.

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 77210507876401 + 22790503123600 = 8786951^2 + 4773940^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001011000001 - 234 = 99983831130817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001011000081) 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, 54469730 + ... + 56275691.

It is an arithmetic number, because the mean of its divisors is an integer number (25000280662101).

Almost surely, 2100001011000001 is an apocalyptic number.

It is an amenable number.

100001011000001 is a deficient number, since it is larger than the sum of its proper divisors (111648403).

100001011000001 is an equidigital number, since it uses as much as digits as its factorization.

100001011000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111648402.

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

Adding to 100001011000001 its reverse (100000110100001), we get a palindrome (200001121100002).

The spelling of 100001011000001 in words is "one hundred trillion, one billion, eleven million, one", and thus it is an aban number.

Divisors: 1 902981 110745421 100001011000001