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1308136803 = 31213359477
BaseRepresentation
bin100110111111000…
…1001010101100011
310101011111020100020
41031332021111203
510134340334203
6333445524523
744262656631
oct11576112543
93334436306
101308136803
116114555a6
12306113743
1317b02675c
14c5a3c351
1579c9b153
hex4df89563

1308136803 has 8 divisors (see below), whose sum is σ = 1745625168. Its totient is φ = 871369824.

The previous prime is 1308136789. The next prime is 1308136867. The reversal of 1308136803 is 3086318031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1308136803 - 210 = 1308135779 is a prime.

It is a super-2 number, since 2×13081368032 = 3422443790726121618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308136603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176100 + ... + 183377.

It is an arithmetic number, because the mean of its divisors is an integer number (218203146).

Almost surely, 21308136803 is an apocalyptic number.

1308136803 is a deficient number, since it is larger than the sum of its proper divisors (437488365).

1308136803 is a wasteful number, since it uses less digits than its factorization.

1308136803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360693.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1308136803 is about 36168.1738963968. The cubic root of 1308136803 is about 1093.6651869669.

The spelling of 1308136803 in words is "one billion, three hundred eight million, one hundred thirty-six thousand, eight hundred three".

Divisors: 1 3 1213 3639 359477 1078431 436045601 1308136803