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10211220001 = 23838960101
BaseRepresentation
bin10011000001010001…
…01101101000100001
3222100122012201111101
421200220231220201
5131403033020001
64405125514401
7511020636463
oct114050555041
928318181441
1010211220001
11436aa707a4
121b8b872a01
13c696a2718
146cc226133
153eb6d1a01
hex260a2da21

10211220001 has 16 divisors (see below), whose sum is σ = 10904906880. Its totient is φ = 9540995200.

The previous prime is 10211219999. The next prime is 10211220031. The reversal of 10211220001 is 10002211201.

It is a cyclic number.

It is not a de Polignac number, because 10211220001 - 21 = 10211219999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211220001.

It is not an unprimeable number, because it can be changed into a prime (10211220031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139851 + ... + 199951.

It is an arithmetic number, because the mean of its divisors is an integer number (681556680).

Almost surely, 210211220001 is an apocalyptic number.

It is an amenable number.

10211220001 is a deficient number, since it is larger than the sum of its proper divisors (693686879).

10211220001 is an equidigital number, since it uses as much as digits as its factorization.

10211220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60296.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10211220001 its reverse (10002211201), we get a palindrome (20213431202).

The spelling of 10211220001 in words is "ten billion, two hundred eleven million, two hundred twenty thousand, one".

Divisors: 1 23 83 89 1909 2047 7387 60101 169901 1382323 4988383 5348989 114732809 123026747 443966087 10211220001