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1399519093287 = 37271245917957
BaseRepresentation
bin10100010111011001110…
…101101010001000100111
311221210101220002012111010
4110113121311222020213
5140412203341441122
62550532531113303
7203053250004450
oct24273165521047
94853356065433
101399519093287
1149a595051a27
121a72a0142833
13a1c880a85a3
144ba467c4127
1526610d18e0c
hex145d9d6a227

1399519093287 has 16 divisors (see below), whose sum is σ = 2140469906432. Its totient is φ = 796774177440.

The previous prime is 1399519093253. The next prime is 1399519093321. The reversal of 1399519093287 is 7823909159931.

It is an interprime number because it is at equal distance from previous prime (1399519093253) and next prime (1399519093321).

It is not a de Polignac number, because 1399519093287 - 219 = 1399518568999 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 (1399519093207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122953288 + ... + 122964669.

It is an arithmetic number, because the mean of its divisors is an integer number (133779369152).

Almost surely, 21399519093287 is an apocalyptic number.

1399519093287 is a deficient number, since it is larger than the sum of its proper divisors (740950813145).

1399519093287 is a wasteful number, since it uses less digits than its factorization.

1399519093287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245918238.

The product of its (nonzero) digits is 33067440, while the sum is 66.

The spelling of 1399519093287 in words is "one trillion, three hundred ninety-nine billion, five hundred nineteen million, ninety-three thousand, two hundred eighty-seven".

Divisors: 1 3 7 21 271 813 1897 5691 245917957 737753871 1721425699 5164277097 66643766347 199931299041 466506364429 1399519093287