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1318692828 = 223109891069
BaseRepresentation
bin100111010011001…
…1010011111011100
310101220100112111010
41032212122133130
510200041132303
6334504055220
744451463335
oct11646323734
93356315433
101318692828
11617405492
12309764510
1318028141b
14c71c928c
157ab83c03
hex4e99a7dc

1318692828 has 12 divisors (see below), whose sum is σ = 3076949960. Its totient is φ = 439564272.

The previous prime is 1318692779. The next prime is 1318692847. The reversal of 1318692828 is 8282968131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 54945523 + ... + 54945546.

Almost surely, 21318692828 is an apocalyptic number.

It is an amenable number.

1318692828 is an abundant number, since it is smaller than the sum of its proper divisors (1758257132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318692828 is a wasteful number, since it uses less digits than its factorization.

1318692828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109891076 (or 109891074 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 1318692828 is about 36313.8104307438. The cubic root of 1318692828 is about 1096.5990906133.

The spelling of 1318692828 in words is "one billion, three hundred eighteen million, six hundred ninety-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 109891069 219782138 329673207 439564276 659346414 1318692828