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1301302129 = 7118328199
BaseRepresentation
bin100110110010000…
…0100101101110001
310100200121222221011
41031210010231301
510131113132004
6333043230521
744150612521
oct11544045561
93320558834
101301302129
11608607606
12303978441
131797a287a
14c4b7d681
157939b004
hex4d904b71

1301302129 has 4 divisors (see below), whose sum is σ = 1319630400. Its totient is φ = 1282973860.

The previous prime is 1301302117. The next prime is 1301302133. The reversal of 1301302129 is 9212031031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1301302129 - 213 = 1301293937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301302109) 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, 9164029 + ... + 9164170.

It is an arithmetic number, because the mean of its divisors is an integer number (329907600).

Almost surely, 21301302129 is an apocalyptic number.

It is an amenable number.

1301302129 is a deficient number, since it is larger than the sum of its proper divisors (18328271).

1301302129 is an equidigital number, since it uses as much as digits as its factorization.

1301302129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328270.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1301302129 is about 36073.5655154852. The cubic root of 1301302129 is about 1091.7571548816.

The spelling of 1301302129 in words is "one billion, three hundred one million, three hundred two thousand, one hundred twenty-nine".

Divisors: 1 71 18328199 1301302129