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1318302434 = 217265714593
BaseRepresentation
bin100111010010011…
…1011001011100010
310101212121200222002
41032210323023202
510144441134214
6334451444002
744445246221
oct11644731342
93355550862
101318302434
11617169149
123095b6602
13180175817
14c7126cb8
157ab081de
hex4e93b2e2

1318302434 has 16 divisors (see below), whose sum is σ = 2094706008. Its totient is φ = 620101632.

The previous prime is 1318302407. The next prime is 1318302449. The reversal of 1318302434 is 4342038131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1105230025 + 213072409 = 33245^2 + 14597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1318302397 and 1318302406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83042 + ... + 97634.

Almost surely, 21318302434 is an apocalyptic number.

1318302434 is a deficient number, since it is larger than the sum of its proper divisors (776403574).

1318302434 is a wasteful number, since it uses less digits than its factorization.

1318302434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1318302434 is about 36308.4347500688. The cubic root of 1318302434 is about 1096.4908652683.

The spelling of 1318302434 in words is "one billion, three hundred eighteen million, three hundred two thousand, four hundred thirty-four".

Divisors: 1 2 17 34 2657 5314 14593 29186 45169 90338 248081 496162 38773601 77547202 659151217 1318302434