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1323078132 = 223110256511
BaseRepresentation
bin100111011011100…
…1001000111110100
310102012121022222210
41032313021013310
510202202000012
6335142053420
744533656435
oct11667110764
93365538883
101323078132
11619930202
1230b11a270
1318115848c
14c7a0b48c
157b24d23c
hex4edc91f4

1323078132 has 12 divisors (see below), whose sum is σ = 3087182336. Its totient is φ = 441026040.

The previous prime is 1323078073. The next prime is 1323078139. The reversal of 1323078132 is 2318703231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1323078132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323078139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55128244 + ... + 55128267.

Almost surely, 21323078132 is an apocalyptic number.

1323078132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1323078132 is an abundant number, since it is smaller than the sum of its proper divisors (1764104204).

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

1323078132 is a wasteful number, since it uses less digits than its factorization.

1323078132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110256518 (or 110256516 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1323078132 is about 36374.1409795475. The cubic root of 1323078132 is about 1097.8133232295.

The spelling of 1323078132 in words is "one billion, three hundred twenty-three million, seventy-eight thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 110256511 220513022 330769533 441026044 661539066 1323078132