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1300434121 = 7185776303
BaseRepresentation
bin100110110000011…
…0000110011001001
310100121222220020201
41031200300303021
510130402342441
6333012452201
744140336060
oct11540606311
93317886221
101300434121
11608074448
1230361a061
1317955a75c
14c49d51d7
1579278c31
hex4d830cc9

1300434121 has 4 divisors (see below), whose sum is σ = 1486210432. Its totient is φ = 1114657812.

The previous prime is 1300434103. The next prime is 1300434127. The reversal of 1300434121 is 1214340031.

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: 1214340031 = 3313668701.

It is a cyclic number.

It is not a de Polignac number, because 1300434121 - 211 = 1300432073 is a prime.

It is a super-2 number, since 2×13004341212 = 3382257806122085282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1300434127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92888145 + ... + 92888158.

It is an arithmetic number, because the mean of its divisors is an integer number (371552608).

Almost surely, 21300434121 is an apocalyptic number.

It is an amenable number.

1300434121 is a deficient number, since it is larger than the sum of its proper divisors (185776311).

1300434121 is an equidigital number, since it uses as much as digits as its factorization.

1300434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185776310.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1300434121 is about 36061.5324272278. The cubic root of 1300434121 is about 1091.5143558405.

Adding to 1300434121 its reverse (1214340031), we get a palindrome (2514774152).

The spelling of 1300434121 in words is "one billion, three hundred million, four hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 7 185776303 1300434121