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18270744703400 = 2352731631667171
BaseRepresentation
bin1000010011101111111010…
…01111110111000110101000
32101200122222121112122002002
410021313331033313012220
54343321441121002100
6102505244135430132
73564006041356250
oct411677517670650
971618877478062
1018270744703400
115904641082182
122070bab525348
13a26c01877b97
14472447358960
1521a3e5ee12d5
hex109dfd3f71a8

18270744703400 has 192 divisors, whose sum is σ = 50193537884160. Its totient is φ = 6052566240000.

The previous prime is 18270744703391. The next prime is 18270744703417. The reversal of 18270744703400 is 430744707281.

18270744703400 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×182707447034002 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27051815 + ... + 27718985.

It is an arithmetic number, because the mean of its divisors is an integer number (261424676480).

Almost surely, 218270744703400 is an apocalyptic number.

18270744703400 is a gapful number since it is divisible by the number (10) 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 18270744703400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25096768942080).

18270744703400 is an abundant number, since it is smaller than the sum of its proper divisors (31922793180760).

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

18270744703400 is a wasteful number, since it uses less digits than its factorization.

18270744703400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667856 (or 667847 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 18270744703400 in words is "eighteen trillion, two hundred seventy billion, seven hundred forty-four million, seven hundred three thousand, four hundred".