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1301129413 = 1588781899
BaseRepresentation
bin100110110001101…
…1010100011000101
310100200022020000021
41031203122203011
510131042120123
6333035415141
744146263133
oct11543324305
93320266007
101301129413
116084a9871
123038b44b1
1317974207c
14c4b36753
1579364c5d
hex4d8da8c5

1301129413 has 4 divisors (see below), whose sum is σ = 1301227200. Its totient is φ = 1301031628.

The previous prime is 1301129393. The next prime is 1301129429. The reversal of 1301129413 is 3149211031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1301129413 - 29 = 1301128901 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 (1301129483) 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, 25063 + ... + 56836.

It is an arithmetic number, because the mean of its divisors is an integer number (325306800).

Almost surely, 21301129413 is an apocalyptic number.

It is an amenable number.

1301129413 is a deficient number, since it is larger than the sum of its proper divisors (97787).

1301129413 is an equidigital number, since it uses as much as digits as its factorization.

1301129413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97786.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1301129413 is about 36071.1714946992. The cubic root of 1301129413 is about 1091.7088513997.

It can be divided in two parts, 13011 and 29413, that added together give a palindrome (42424).

The spelling of 1301129413 in words is "one billion, three hundred one million, one hundred twenty-nine thousand, four hundred thirteen".

Divisors: 1 15887 81899 1301129413