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102313115 = 5136714969
BaseRepresentation
bin1100001100100…
…10110010011011
321010112001012122
412012102302123
5202143004430
614052531455
72351434652
oct606226233
9233461178
10102313115
11528313a3
122a320b8b
1318273608
14d834199
158eaeee5
hex6192c9b

102313115 has 8 divisors (see below), whose sum is σ = 122873760. Its totient is φ = 81785152.

The previous prime is 102313111. The next prime is 102313117. The reversal of 102313115 is 511313201.

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

It is a cyclic number.

It is not a de Polignac number, because 102313115 - 22 = 102313111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102313093 and 102313102.

It is not an unprimeable number, because it can be changed into a prime (102313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (15359220).

Almost surely, 2102313115 is an apocalyptic number.

102313115 is a deficient number, since it is larger than the sum of its proper divisors (20560645).

102313115 is a wasteful number, since it uses less digits than its factorization.

102313115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16341.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 102313115 is about 10114.9945625294. The cubic root of 102313115 is about 467.7104812554.

Adding to 102313115 its reverse (511313201), we get a palindrome (613626316).

The spelling of 102313115 in words is "one hundred two million, three hundred thirteen thousand, one hundred fifteen".

Divisors: 1 5 1367 6835 14969 74845 20462623 102313115