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20101301101 = 72871614443
BaseRepresentation
bin10010101110001000…
…011000001101101101
31220212220010220020101
4102232020120031231
5312131413113401
613122344351101
71311062145250
oct225610301555
956786126211
1020101301101
11858572a042
123a8ba75491
131b8468570b
14d89935097
157c9acb101
hex4ae21836d

20101301101 has 4 divisors (see below), whose sum is σ = 22972915552. Its totient is φ = 17229686652.

The previous prime is 20101301069. The next prime is 20101301137. The reversal of 20101301101 is 10110310102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20101301101 - 25 = 20101301069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101301141) 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, 1435807215 + ... + 1435807228.

It is an arithmetic number, because the mean of its divisors is an integer number (5743228888).

Almost surely, 220101301101 is an apocalyptic number.

It is an amenable number.

20101301101 is a deficient number, since it is larger than the sum of its proper divisors (2871614451).

20101301101 is an equidigital number, since it uses as much as digits as its factorization.

20101301101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871614450.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 20101301101 its reverse (10110310102), we get a palindrome (30211611203).

Subtracting from 20101301101 its reverse (10110310102), we obtain a palindrome (9990990999).

The spelling of 20101301101 in words is "twenty billion, one hundred one million, three hundred one thousand, one hundred one".

Divisors: 1 7 2871614443 20101301101