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1318470400 = 28521322353
BaseRepresentation
bin100111010010110…
…0100001100000000
310101212221020101001
41032211210030000
510200012023100
6334455221344
744446546012
oct11645441400
93355836331
101318470400
11617273365
12309677854
13180204100
14c716c1b2
157ab3cd6a
hex4e964300

1318470400 has 324 divisors, whose sum is σ = 3756978288. Its totient is φ = 456867840.

The previous prime is 1318470397. The next prime is 1318470443. The reversal of 1318470400 is 40748131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24876774 + ... + 24876826.

It is an arithmetic number, because the mean of its divisors is an integer number (11595612).

Almost surely, 21318470400 is an apocalyptic number.

1318470400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1318470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878489144).

1318470400 is an abundant number, since it is smaller than the sum of its proper divisors (2438507888).

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

1318470400 is a wasteful number, since it uses less digits than its factorization.

1318470400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1318470400 is about 36310.7477201999. The cubic root of 1318470400 is about 1096.5374315591.

The spelling of 1318470400 in words is "one billion, three hundred eighteen million, four hundred seventy thousand, four hundred".