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238363818120 = 23335379661881
BaseRepresentation
bin1101110111111110010…
…1110011100010001000
3211210020222120120102000
43131333211303202020
512401132114134440
6301300335511000
723135610011151
oct3357745634210
9753228516360
10238363818120
11920a918560a
123a243688460
131962940ac7c
14b77325a928
1563014b1730
hex377f973888

238363818120 has 256 divisors, whose sum is σ = 798753312000. Its totient is φ = 63228211200.

The previous prime is 238363818107. The next prime is 238363818137. The reversal of 238363818120 is 21818363832.

238363818120 is a `hidden beast` number, since 2 + 3 + 8 + 3 + 638 + 1 + 8 + 1 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270560080 + ... + 270560960.

It is an arithmetic number, because the mean of its divisors is an integer number (3120130125).

Almost surely, 2238363818120 is an apocalyptic number.

238363818120 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 238363818120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399376656000).

238363818120 is an abundant number, since it is smaller than the sum of its proper divisors (560389493880).

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

238363818120 is a wasteful number, since it uses less digits than its factorization.

238363818120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 238363818120 in words is "two hundred thirty-eight billion, three hundred sixty-three million, eight hundred eighteen thousand, one hundred twenty".