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104454002440 = 23516319160019
BaseRepresentation
bin110000101000111110…
…0011001011100001000
3100222121120122002222001
41201101330121130020
53202410211034230
6115552511440344
710355316241234
oct1412174313410
9328546562861
10104454002440
114033161a057
12182b15260b4
139b084cc848
1450ac7d55c4
152ab528e0ca
hex1851f19708

104454002440 has 32 divisors (see below), whose sum is σ = 235037376000. Its totient is φ = 41778779584.

The previous prime is 104454002423. The next prime is 104454002449. The reversal of 104454002440 is 44200454401.

It is a junction number, because it is equal to n+sod(n) for n = 104454002399 and 104454002408.

It is not an unprimeable number, because it can be changed into a prime (104454002449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572751 + ... + 732769.

It is an arithmetic number, because the mean of its divisors is an integer number (7344918000).

Almost surely, 2104454002440 is an apocalyptic number.

104454002440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104454002440 is an abundant number, since it is smaller than the sum of its proper divisors (130583373560).

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

104454002440 is a wasteful number, since it uses less digits than its factorization.

104454002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176349 (or 176345 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 104454002440 its reverse (44200454401), we get a palindrome (148654456841).

The spelling of 104454002440 in words is "one hundred four billion, four hundred fifty-four million, two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 16319 32638 65276 81595 130552 160019 163190 320038 326380 640076 652760 800095 1280152 1600190 3200380 6400760 2611350061 5222700122 10445400244 13056750305 20890800488 26113500610 52227001220 104454002440