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21103101201301 = 723179732263479
BaseRepresentation
bin1001100110001011100101…
…10110011100101110010101
32202201102210101222121210221
410303011302312130232111
510231223122401420201
6112514344133114341
74305435343356430
oct463056266345625
982642711877727
1021103101201301
1167a6858520509
122449b09a889b1
13ba1024717a62
1452d577552817
15268e17c1b4a1
hex133172d9cb95

21103101201301 has 16 divisors (see below), whose sum is σ = 25307025868800. Its totient is φ = 17205262679088.

The previous prime is 21103101201269. The next prime is 21103101201311. The reversal of 21103101201301 is 10310210130112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21103101201301 - 25 = 21103101201269 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 (21103101201311) 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, 366102921 + ... + 366160558.

It is an arithmetic number, because the mean of its divisors is an integer number (1581689116800).

Almost surely, 221103101201301 is an apocalyptic number.

It is an amenable number.

21103101201301 is a deficient number, since it is larger than the sum of its proper divisors (4203924667499).

21103101201301 is a wasteful number, since it uses less digits than its factorization.

21103101201301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732263688.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 21103101201301 its reverse (10310210130112), we get a palindrome (31413311331413).

The spelling of 21103101201301 in words is "twenty-one trillion, one hundred three billion, one hundred one million, two hundred one thousand, three hundred one".

Divisors: 1 7 23 161 179 1253 4117 28819 732263479 5125844353 16842060017 117894420119 131075162741 917526139187 3014728743043 21103101201301