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13124542301 = 131835355009
BaseRepresentation
bin11000011100100100…
…01001111101011101
31020212200010211101022
430032102021331131
5203334340323201
610010200253525
7643144524503
oct141622117535
936780124338
1013124542301
115625509982
1226634712a5
131312129280
148c7108673
1551c35341b
hex30e489f5d

13124542301 has 8 divisors (see below), whose sum is σ = 14135149560. Its totient is φ = 12114081792.

The previous prime is 13124542289. The next prime is 13124542337. The reversal of 13124542301 is 10324542131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20016676 + 13104525625 = 4474^2 + 114475^2 .

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 13124542301 - 210 = 13124541277 is a prime.

It is a super-2 number, since 2×131245423012 (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 (13124542381) 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, 211085 + ... + 266093.

It is an arithmetic number, because the mean of its divisors is an integer number (1766893695).

Almost surely, 213124542301 is an apocalyptic number.

It is an amenable number.

13124542301 is a deficient number, since it is larger than the sum of its proper divisors (1010607259).

13124542301 is a wasteful number, since it uses less digits than its factorization.

13124542301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73375.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 13124542301 in words is "thirteen billion, one hundred twenty-four million, five hundred forty-two thousand, three hundred one".

Divisors: 1 13 18353 55009 238589 715117 1009580177 13124542301