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1315601930 = 25131560193
BaseRepresentation
bin100111001101010…
…0111111000001010
310101200112111120102
41032122213320022
510143243230210
6334313525402
744413301066
oct11632477012
93350474512
101315601930
11615694225
12308713862
1317c73b5a6
14c6a22aa6
157a772ea5
hex4e6a7e0a

1315601930 has 8 divisors (see below), whose sum is σ = 2368083492. Its totient is φ = 526240768.

The previous prime is 1315601927. The next prime is 1315601941. The reversal of 1315601930 is 391065131.

It can be written as a sum of positive squares in 2 ways, for example, as 1267146409 + 48455521 = 35597^2 + 6961^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1315601893 and 1315601902.

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, 65780087 + ... + 65780106.

Almost surely, 21315601930 is an apocalyptic number.

1315601930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315601930 is a deficient number, since it is larger than the sum of its proper divisors (1052481562).

1315601930 is a wasteful number, since it uses less digits than its factorization.

1315601930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131560200.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1315601930 is about 36271.2273020917. The cubic root of 1315601930 is about 1095.7416436205.

The spelling of 1315601930 in words is "one billion, three hundred fifteen million, six hundred one thousand, nine hundred thirty".

Divisors: 1 2 5 10 131560193 263120386 657800965 1315601930