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13013020103 = 103126340001
BaseRepresentation
bin11000001111010001…
…01110110111000111
31020120220021220200112
430013220232313013
5203122313120403
65551134103235
7640321563056
oct140750566707
936526256615
1013013020103
115578568676
12263204ab1b
1312c4cb00c5
148b639839d
155126749d8
hex307a2edc7

13013020103 has 4 divisors (see below), whose sum is σ = 13139360208. Its totient is φ = 12886680000.

The previous prime is 13013020087. The next prime is 13013020129. The reversal of 13013020103 is 30102031031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13013020103 - 24 = 13013020087 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 (13013020003) 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 3 ways as a sum of consecutive naturals, for example, 63169898 + ... + 63170103.

It is an arithmetic number, because the mean of its divisors is an integer number (3284840052).

Almost surely, 213013020103 is an apocalyptic number.

13013020103 is a deficient number, since it is larger than the sum of its proper divisors (126340105).

13013020103 is a wasteful number, since it uses less digits than its factorization.

13013020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126340104.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13013020103 its reverse (30102031031), we get a palindrome (43115051134).

The spelling of 13013020103 in words is "thirteen billion, thirteen million, twenty thousand, one hundred three".

Divisors: 1 103 126340001 13013020103