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253401431043500 = 22533743931201309
BaseRepresentation
bin111001100111011110011110…
…010010000110110110101100
31020020012221101102101111210022
4321213132132102012312230
5231203212112321343000
62254535002122501312
7104242435454622365
oct7147363622066654
91206187342344708
10253401431043500
1173817a41731693
1224506a8a664838
13ab5186347a78c
1446809a239ab6c
151e468457b4585
hexe6779e486dac

253401431043500 has 96 divisors (see below), whose sum is σ = 569681006294400. Its totient is φ = 98396444908800.

The previous prime is 253401431043367. The next prime is 253401431043521. The reversal of 253401431043500 is 5340134104352.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7479155 + ... + 23722154.

It is an arithmetic number, because the mean of its divisors is an integer number (5934177148900).

Almost surely, 2253401431043500 is an apocalyptic number.

253401431043500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253401431043500 is an abundant number, since it is smaller than the sum of its proper divisors (316279575250900).

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

253401431043500 is a wasteful number, since it uses less digits than its factorization.

253401431043500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31201804 (or 31201792 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 253401431043500 its reverse (5340134104352), we get a palindrome (258741565147852).

The spelling of 253401431043500 in words is "two hundred fifty-three trillion, four hundred one billion, four hundred thirty-one million, forty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 37 50 74 100 125 148 185 250 370 439 500 740 878 925 1756 1850 2195 3700 4390 4625 8780 9250 10975 16243 18500 21950 32486 43900 54875 64972 81215 109750 162430 219500 324860 406075 812150 1624300 2030375 4060750 8121500 31201309 62402618 124805236 156006545 312013090 624026180 780032725 1154448433 1560065450 2308896866 3120130900 3900163625 4617793732 5772242165 7800327250 11544484330 13697374651 15600654500 23088968660 27394749302 28861210825 54789498604 57722421650 68486873255 115444843300 136973746510 144306054125 273947493020 288612108250 342434366275 506802862087 577224216500 684868732550 1013605724174 1369737465100 1712171831375 2027211448348 2534014310435 3424343662750 5068028620870 6848687325500 10136057241740 12670071552175 25340143104350 50680286208700 63350357760875 126700715521750 253401431043500