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1316906307 = 321271152149
BaseRepresentation
bin100111001111110…
…0110010101000011
310101202222202211200
41032133212111003
510144112000212
6334401512243
744430342663
oct11637462503
93352882750
101316906307
116163a5222
12309042683
1317caa7202
14c6c821a3
157a92e6dc
hex4e7e6543

1316906307 has 12 divisors (see below), whose sum is σ = 1917177600. Its totient is φ = 871023888.

The previous prime is 1316906267. The next prime is 1316906333. The reversal of 1316906307 is 7036096131.

1316906307 is a `hidden beast` number, since 1 + 3 + 16 + 9 + 0 + 630 + 7 = 666.

It is not a de Polignac number, because 1316906307 - 26 = 1316906243 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1316906387) 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, 574932 + ... + 577217.

It is an arithmetic number, because the mean of its divisors is an integer number (159764800).

Almost surely, 21316906307 is an apocalyptic number.

1316906307 is a deficient number, since it is larger than the sum of its proper divisors (600271293).

1316906307 is a wasteful number, since it uses less digits than its factorization.

1316906307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152282 (or 1152279 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 1316906307 is about 36289.2037250750. The cubic root of 1316906307 is about 1096.1036548718.

The spelling of 1316906307 in words is "one billion, three hundred sixteen million, nine hundred six thousand, three hundred seven".

Divisors: 1 3 9 127 381 1143 1152149 3456447 10369341 146322923 438968769 1316906307