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210204003131440 = 24518791398376817
BaseRepresentation
bin101111110010110111101110…
…111011111110000000110000
31000120021022021101202010212121
4233302313232323332000300
5210022440244300201230
62023022215205404024
762163511103664223
oct5762675673760060
91016238241663777
10210204003131440
1160a8302084045a
121b6aab3b409614
13903a1c9bb33a6
1439c9cdc7615ba
151947d4dae977a
hexbf2deeefe030

210204003131440 has 40 divisors (see below), whose sum is σ = 488984405718240. Its totient is φ = 84036853134336.

The previous prime is 210204003131431. The next prime is 210204003131501. The reversal of 210204003131440 is 44131300402012.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699038089 + ... + 699338728.

It is an arithmetic number, because the mean of its divisors is an integer number (12224610142956).

Almost surely, 2210204003131440 is an apocalyptic number.

210204003131440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210204003131440 is an abundant number, since it is smaller than the sum of its proper divisors (278780402586800).

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

210204003131440 is a wasteful number, since it uses less digits than its factorization.

210204003131440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398378709 (or 1398378703 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210204003131440 its reverse (44131300402012), we get a palindrome (254335303533452).

The spelling of 210204003131440 in words is "two hundred ten trillion, two hundred four billion, three million, one hundred thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1879 3758 7516 9395 15032 18790 30064 37580 75160 150320 1398376817 2796753634 5593507268 6991884085 11187014536 13983768170 22374029072 27967536340 55935072680 111870145360 2627550039143 5255100078286 10510200156572 13137750195715 21020400313144 26275500391430 42040800626288 52551000782860 105102001565720 210204003131440