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30122323203013 = 39775874869529
BaseRepresentation
bin1101101100101011001100…
…10111111101001111000101
310221122122222111101022101121
412312111212113331033011
512422011004214444023
6144022000525553541
76226160151432226
oct666254627751705
9127578874338347
1030122323203013
119663895184a68
123465aa91158b1
1313a66a4a33a52
14761cdd08124d
1537383dbd5d5d
hex1b65665fd3c5

30122323203013 has 4 divisors (see below), whose sum is σ = 30198198072940. Its totient is φ = 30046448333088.

The previous prime is 30122323203001. The next prime is 30122323203017. The reversal of 30122323203013 is 31030232322103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9815826852484 + 20306496350529 = 3133022^2 + 4506273^2 .

It is a cyclic number.

It is not a de Polignac number, because 30122323203013 - 25 = 30122323202981 is a prime.

It is a super-2 number, since 2×301223232030132 (a number of 28 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 (30122323203017) 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, 37937434368 + ... + 37937435161.

It is an arithmetic number, because the mean of its divisors is an integer number (7549549518235).

Almost surely, 230122323203013 is an apocalyptic number.

It is an amenable number.

30122323203013 is a deficient number, since it is larger than the sum of its proper divisors (75874869927).

30122323203013 is an equidigital number, since it uses as much as digits as its factorization.

30122323203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75874869926.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30122323203013 its reverse (31030232322103), we get a palindrome (61152555525116).

The spelling of 30122323203013 in words is "thirty trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred three thousand, thirteen".

Divisors: 1 397 75874869529 30122323203013