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104305240240 = 2451303815503
BaseRepresentation
bin110000100100100010…
…0111010100010110000
3100222020012201012120221
41201021010322202300
53202104120141430
6115530035142424
710351531625215
oct1411104724260
9328205635527
10104305240240
1140265652893
121826b744a14
139ab3745186
145096b4db0c
152aa71a657a
hex184913a8b0

104305240240 has 20 divisors (see below), whose sum is σ = 242509683744. Its totient is φ = 41722096064.

The previous prime is 104305240213. The next prime is 104305240243. The reversal of 104305240240 is 42042503401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (104305240243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651907672 + ... + 651907831.

Almost surely, 2104305240240 is an apocalyptic number.

104305240240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104305240240 is an abundant number, since it is smaller than the sum of its proper divisors (138204443504).

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

104305240240 is a wasteful number, since it uses less digits than its factorization.

104305240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303815516 (or 1303815510 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 104305240240 its reverse (42042503401), we get a palindrome (146347743641).

The spelling of 104305240240 in words is "one hundred four billion, three hundred five million, two hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1303815503 2607631006 5215262012 6519077515 10430524024 13038155030 20861048048 26076310060 52152620120 104305240240