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13124100001 = 25152287251
BaseRepresentation
bin11000011100100000…
…11101111110100001
31020212122022100122211
430032100131332201
5203334232200001
610010143002121
7643141003135
oct141620357641
936778270584
1013124100001
115625237641
122663299341
131312002b5c
148c70313c5
1551c2b7351
hex30e41dfa1

13124100001 has 4 divisors (see below), whose sum is σ = 13176387504. Its totient is φ = 13071812500.

The previous prime is 13124099993. The next prime is 13124100043. The reversal of 13124100001 is 10000142131.

13124100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13124100001 - 23 = 13124099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13124100061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26143375 + ... + 26143876.

It is an arithmetic number, because the mean of its divisors is an integer number (3294096876).

Almost surely, 213124100001 is an apocalyptic number.

It is an amenable number.

13124100001 is a deficient number, since it is larger than the sum of its proper divisors (52287503).

13124100001 is an equidigital number, since it uses as much as digits as its factorization.

13124100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52287502.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13124100001 its reverse (10000142131), we get a palindrome (23124242132).

The spelling of 13124100001 in words is "thirteen billion, one hundred twenty-four million, one hundred thousand, one".

Divisors: 1 251 52287251 13124100001