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1306063957 = 11271152027
BaseRepresentation
bin100110111011000…
…1111010001010101
310101000120220221011
41031312033101111
510133323021312
6333333252221
744236234432
oct11566172125
93330526834
101306063957
1161026a200
12305494071
1317a77c113
14c565cb89
15799dbda7
hex4dd8f455

1306063957 has 12 divisors (see below), whose sum is σ = 1455820128. Its totient is φ = 1170600200.

The previous prime is 1306063919. The next prime is 1306063987. The reversal of 1306063957 is 7593606031.

It is not a de Polignac number, because 1306063957 - 211 = 1306061909 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 (1306063987) 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 11 ways as a sum of consecutive naturals, for example, 67423 + ... + 84604.

It is an arithmetic number, because the mean of its divisors is an integer number (121318344).

Almost surely, 21306063957 is an apocalyptic number.

It is an amenable number.

1306063957 is a deficient number, since it is larger than the sum of its proper divisors (149756171).

1306063957 is a wasteful number, since it uses less digits than its factorization.

1306063957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152120 (or 152109 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 1306063957 is about 36139.5068726733. The cubic root of 1306063957 is about 1093.0872153125.

Adding to 1306063957 its reverse (7593606031), we get a palindrome (8899669988).

The spelling of 1306063957 in words is "one billion, three hundred six million, sixty-three thousand, nine hundred fifty-seven".

Divisors: 1 11 71 121 781 8591 152027 1672297 10793917 18395267 118733087 1306063957