Search a number
-
+
10001223001 = 711867714969
BaseRepresentation
bin10010101000001111…
…01000110101011001
3221211000001202202201
421110013220311121
5130440303114001
64332224530201
7502560664360
oct112407506531
927730052681
1010001223001
11427247a960
121b31480961
13c35028043
146ac3a07d7
153d8050501
hex2541e8d59

10001223001 has 16 divisors (see below), whose sum is σ = 12471327360. Its totient is φ = 7791742080.

The previous prime is 10001222999. The next prime is 10001223017. The reversal of 10001223001 is 10032210001.

It is a cyclic number.

It is not a de Polignac number, because 10001223001 - 21 = 10001222999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001223601) 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, 660645 + ... + 675613.

It is an arithmetic number, because the mean of its divisors is an integer number (779457960).

Almost surely, 210001223001 is an apocalyptic number.

10001223001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001223001 is a deficient number, since it is larger than the sum of its proper divisors (2470104359).

10001223001 is a wasteful number, since it uses less digits than its factorization.

10001223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23664.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10001223001 its reverse (10032210001), we get a palindrome (20033433002).

The spelling of 10001223001 in words is "ten billion, one million, two hundred twenty-three thousand, one".

Divisors: 1 7 11 77 8677 14969 60739 95447 104783 164659 668129 1152613 129886013 909202091 1428746143 10001223001