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253104201440 = 25519286129101
BaseRepresentation
bin1110101110111000101…
…1111001111011100000
3220012022021012121221222
43223232023321323200
513121324133421230
6312135141234212
724200105133506
oct3535613717340
9805267177858
10253104201440
11983827a5792
1241078102968
131ab3822838c
14c370bc0676
1568b55e26e5
hex3aee2f9ee0

253104201440 has 96 divisors (see below), whose sum is σ = 629671825440. Its totient is φ = 95876352000.

The previous prime is 253104201433. The next prime is 253104201479. The reversal of 253104201440 is 44102401352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8682890 + ... + 8711990.

It is an arithmetic number, because the mean of its divisors is an integer number (6559081515).

Almost surely, 2253104201440 is an apocalyptic number.

253104201440 is a gapful number since it is divisible by the number (20) 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 253104201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314835912720).

253104201440 is an abundant number, since it is smaller than the sum of its proper divisors (376567624000).

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

253104201440 is a wasteful number, since it uses less digits than its factorization.

253104201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996 (or 31988 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 253104201440 its reverse (44102401352), we get a palindrome (297206602792).

The spelling of 253104201440 in words is "two hundred fifty-three billion, one hundred four million, two hundred one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 2861 3040 5722 11444 14305 22888 28610 29101 45776 54359 57220 58202 91552 108718 114440 116404 145505 217436 228880 232808 271795 291010 434872 457760 465616 543590 552919 582020 869744 931232 1087180 1105838 1164040 1739488 2174360 2211676 2328080 2764595 4348720 4423352 4656160 5529190 8697440 8846704 11058380 17693408 22116760 44233520 83257961 88467040 166515922 333031844 416289805 666063688 832579610 1332127376 1581901259 1665159220 2664254752 3163802518 3330318440 6327605036 6660636880 7909506295 12655210072 13321273760 15819012590 25310420144 31638025180 50620840288 63276050360 126552100720 253104201440