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102013313 = 891146217
BaseRepresentation
bin1100001010010…
…01100110000001
321002221210221212
412011021212001
5202103411223
614042255505
72346045623
oct605114601
9232853855
10102013313
1152647126
122a1b7595
131819a00c
14d796c13
158e51278
hex6149981

102013313 has 4 divisors (see below), whose sum is σ = 103159620. Its totient is φ = 100867008.

The previous prime is 102013259. The next prime is 102013361. The reversal of 102013313 is 313310201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54582544 + 47430769 = 7388^2 + 6887^2 .

It is a cyclic number.

It is not a de Polignac number, because 102013313 - 212 = 102009217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102013913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573020 + ... + 573197.

It is an arithmetic number, because the mean of its divisors is an integer number (25789905).

Almost surely, 2102013313 is an apocalyptic number.

It is an amenable number.

102013313 is a deficient number, since it is larger than the sum of its proper divisors (1146307).

102013313 is an equidigital number, since it uses as much as digits as its factorization.

102013313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146306.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 102013313 is about 10100.1640085694. The cubic root of 102013313 is about 467.2531996350.

Adding to 102013313 its reverse (313310201), we get a palindrome (415323514).

The spelling of 102013313 in words is "one hundred two million, thirteen thousand, three hundred thirteen".

Divisors: 1 89 1146217 102013313