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20112300001 = 314371212507
BaseRepresentation
bin10010101110110010…
…010101011111100001
31220220122211200220001
4102232302111133201
5312142222100001
613123420220001
71311254505103
oct225662253741
956818750801
1020112300001
118590961742
123a9369a601
131b86a36b41
14d8b199573
157caa50001
hex4aec957e1

20112300001 has 16 divisors (see below), whose sum is σ = 21543211008. Its totient is φ = 18743029200.

The previous prime is 20112299993. The next prime is 20112300029. The reversal of 20112300001 is 10000321102.

It is not a de Polignac number, because 20112300001 - 23 = 20112299993 is a prime.

It is a super-2 number, since 2×201123000012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112300101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11611 + ... + 200896.

It is an arithmetic number, because the mean of its divisors is an integer number (1346450688).

Almost surely, 220112300001 is an apocalyptic number.

It is an amenable number.

20112300001 is a deficient number, since it is larger than the sum of its proper divisors (1430911007).

20112300001 is a wasteful number, since it uses less digits than its factorization.

20112300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212652.

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

Adding to 20112300001 its reverse (10000321102), we get a palindrome (30112621103).

The spelling of 20112300001 in words is "twenty billion, one hundred twelve million, three hundred thousand, one".

Divisors: 1 31 43 71 1333 2201 3053 94643 212507 6587717 9137801 15087997 283271831 467727907 648783871 20112300001