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1313108242 = 23132097617
BaseRepresentation
bin100111001000100…
…0111000100010010
310101111211210212121
41032101013010102
510142123430432
6334144244454
744353143625
oct11621070422
93344753777
101313108242
11614240726
1230791072a
1317c077534
14c6573dbc
157a42e197
hex4e447112

1313108242 has 8 divisors (see below), whose sum is σ = 1975956156. Its totient is φ = 654456192.

The previous prime is 1313108201. The next prime is 1313108267. The reversal of 1313108242 is 2428013131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1306027321 + 7080921 = 36139^2 + 2661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048183 + ... + 1049434.

Almost surely, 21313108242 is an apocalyptic number.

1313108242 is a deficient number, since it is larger than the sum of its proper divisors (662847914).

1313108242 is a wasteful number, since it uses less digits than its factorization.

1313108242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097932.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1313108242 is about 36236.8354302635. The cubic root of 1313108242 is about 1095.0488894861.

The spelling of 1313108242 in words is "one billion, three hundred thirteen million, one hundred eight thousand, two hundred forty-two".

Divisors: 1 2 313 626 2097617 4195234 656554121 1313108242