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30122413001 = 38977435509
BaseRepresentation
bin11100000011011011…
…111000101111001001
32212202021122010102222
4130003123320233021
5443142314204001
621501003503425
72114314200032
oct340333705711
985667563388
1030122413001
11118583537aa
125a07b27b75
132ac0855425
14165a7d1a89
15bb475961b
hex7036f8bc9

30122413001 has 4 divisors (see below), whose sum is σ = 30199848900. Its totient is φ = 30044977104.

The previous prime is 30122412949. The next prime is 30122413043. The reversal of 30122413001 is 10031422103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10031422103 = 29345911107.

It can be written as a sum of positive squares in 2 ways, for example, as 12293487376 + 17828925625 = 110876^2 + 133525^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122413001 - 26 = 30122412937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30122413091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38717366 + ... + 38718143.

It is an arithmetic number, because the mean of its divisors is an integer number (7549962225).

Almost surely, 230122413001 is an apocalyptic number.

It is an amenable number.

30122413001 is a deficient number, since it is larger than the sum of its proper divisors (77435899).

30122413001 is an equidigital number, since it uses as much as digits as its factorization.

30122413001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77435898.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30122413001 its reverse (10031422103), we get a palindrome (40153835104).

The spelling of 30122413001 in words is "thirty billion, one hundred twenty-two million, four hundred thirteen thousand, one".

Divisors: 1 389 77435509 30122413001