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302130121001 = 377478004083
BaseRepresentation
bin1000110010110000101…
…10111100100100101001
31001212211222010101102112
410121120112330210221
514422230302333001
6350444025012105
730554031440552
oct4313026744451
91055758111375
10302130121001
11107150638785
124a67a924035
132264c234837
14108a1dcd329
157cd46c5cbb
hex46585bc929

302130121001 has 4 divisors (see below), whose sum is σ = 302138162832. Its totient is φ = 302122079172.

The previous prime is 302130120989. The next prime is 302130121019. The reversal of 302130121001 is 100121031203.

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 an emirpimes, since its reverse is a distinct semiprime: 100121031203 = 757132260279.

It is a cyclic number.

It is not a de Polignac number, because 302130121001 - 226 = 302063012137 is a prime.

It is a super-2 number, since 2×3021301210012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302130121081) 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, 3964295 + ... + 4039788.

It is an arithmetic number, because the mean of its divisors is an integer number (75534540708).

Almost surely, 2302130121001 is an apocalyptic number.

It is an amenable number.

302130121001 is a deficient number, since it is larger than the sum of its proper divisors (8041831).

302130121001 is an equidigital number, since it uses as much as digits as its factorization.

302130121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041830.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 302130121001 its reverse (100121031203), we get a palindrome (402251152204).

The spelling of 302130121001 in words is "three hundred two billion, one hundred thirty million, one hundred twenty-one thousand, one".

Divisors: 1 37747 8004083 302130121001