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1320113103 = 31921218941
BaseRepresentation
bin100111010101111…
…0101001111001111
310102000000200201220
41032223311033033
510200422104403
6334554334423
744466530151
oct11653651717
93360020656
101320113103
11618195571
1230a12a413
1318065aa1a
14c7478ad1
157ad64953
hex4eaf53cf

1320113103 has 12 divisors (see below), whose sum is σ = 1857667608. Its totient is φ = 833754960.

The previous prime is 1320113101. The next prime is 1320113143. The reversal of 1320113103 is 3013110231.

It is not a de Polignac number, because 1320113103 - 21 = 1320113101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320113101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608388 + ... + 610553.

It is an arithmetic number, because the mean of its divisors is an integer number (154805634).

Almost surely, 21320113103 is an apocalyptic number.

1320113103 is a deficient number, since it is larger than the sum of its proper divisors (537554505).

1320113103 is a wasteful number, since it uses less digits than its factorization.

1320113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218982 (or 1218963 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1320113103 is about 36333.3607446380. The cubic root of 1320113103 is about 1096.9926403026.

Adding to 1320113103 its reverse (3013110231), we get a palindrome (4333223334).

The spelling of 1320113103 in words is "one billion, three hundred twenty million, one hundred thirteen thousand, one hundred three".

Divisors: 1 3 19 57 361 1083 1218941 3656823 23159879 69479637 440037701 1320113103