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1102201013 = 1975594929
BaseRepresentation
bin100000110110010…
…0100000010110101
32211210222121112202
41001230210002311
54224130413023
6301211554245
736212361014
oct10154440265
92753877482
101102201013
11516188a31
1226915b985
13147471764
14a6552a7b
1566b6d128
hex41b240b5

1102201013 has 4 divisors (see below), whose sum is σ = 1107796140. Its totient is φ = 1096605888.

The previous prime is 1102201003. The next prime is 1102201019. The reversal of 1102201013 is 3101022011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3101022011 = 8773535943.

It can be written as a sum of positive squares in 2 ways, for example, as 549339844 + 552861169 = 23438^2 + 23513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102201013 - 212 = 1102196917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102200985 and 1102201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102201019) 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, 2797268 + ... + 2797661.

It is an arithmetic number, because the mean of its divisors is an integer number (276949035).

Almost surely, 21102201013 is an apocalyptic number.

It is an amenable number.

1102201013 is a deficient number, since it is larger than the sum of its proper divisors (5595127).

1102201013 is an equidigital number, since it uses as much as digits as its factorization.

1102201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595126.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1102201013 is about 33199.4128411934. The cubic root of 1102201013 is about 1032.9681603747.

Adding to 1102201013 its reverse (3101022011), we get a palindrome (4203223024).

The spelling of 1102201013 in words is "one billion, one hundred two million, two hundred one thousand, thirteen".

Divisors: 1 197 5594929 1102201013