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122510000413 = 128659952207
BaseRepresentation
bin111001000011000101…
…0100100000100011101
3102201012221011211202201
41302012022210010131
54001400030003123
6132140314251501
711564624551603
oct1620612440435
9381187154681
10122510000413
1147a57779629
121b8b0426b91
13b725208608
145d0283b873
1532c05095ad
hex1c862a411d

122510000413 has 4 divisors (see below), whose sum is σ = 122511081280. Its totient is φ = 122508919548.

The previous prime is 122510000399. The next prime is 122510000419. The reversal of 122510000413 is 314000015221.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314000015221 = 1033303969037.

It is a cyclic number.

It is not a de Polignac number, because 122510000413 - 217 = 122509869341 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 (122510000419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347445 + ... + 604762.

It is an arithmetic number, because the mean of its divisors is an integer number (30627770320).

Almost surely, 2122510000413 is an apocalyptic number.

It is an amenable number.

122510000413 is a deficient number, since it is larger than the sum of its proper divisors (1080867).

122510000413 is an equidigital number, since it uses as much as digits as its factorization.

122510000413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080866.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 122510000413 its reverse (314000015221), we get a palindrome (436510015634).

The spelling of 122510000413 in words is "one hundred twenty-two billion, five hundred ten million, four hundred thirteen", and thus it is an aban number.

Divisors: 1 128659 952207 122510000413