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13056540103 = 311512789263
BaseRepresentation
bin11000010100011101…
…01111110111000111
31020200221011221220101
430022032233313013
5203214433240403
65555330544531
7641360521405
oct141216576707
936627157811
1013056540103
1155a0092912
122644738147
131301009b99
148bc086475
155163be71d
hex30a3afdc7

13056540103 has 8 divisors (see below), whose sum is σ = 13566980096. Its totient is φ = 12551679000.

The previous prime is 13056540071. The next prime is 13056540121. The reversal of 13056540103 is 30104565031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13056540103 - 25 = 13056540071 is a prime.

It is a super-2 number, since 2×130565401032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056540143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389951 + ... + 1399312.

It is an arithmetic number, because the mean of its divisors is an integer number (1695872512).

Almost surely, 213056540103 is an apocalyptic number.

13056540103 is a deficient number, since it is larger than the sum of its proper divisors (510439993).

13056540103 is a wasteful number, since it uses less digits than its factorization.

13056540103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789445.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 13056540103 in words is "thirteen billion, fifty-six million, five hundred forty thousand, one hundred three".

Divisors: 1 31 151 4681 2789263 86467153 421178713 13056540103