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238286740000 = 2554611731129
BaseRepresentation
bin1101110111101011111…
…1110001101000100000
3211210001121112121002211
43131322333301220200
512401002401140000
6301244543451504
723133652604461
oct3357277615040
9753047477084
10238286740000
119206971a691
123a2218b6b94
131961646180a
14b766d14d68
1562e98387ba
hex377aff1a20

238286740000 has 240 divisors, whose sum is σ = 599806219320. Its totient is φ = 93127680000.

The previous prime is 238286739997. The next prime is 238286740019. The reversal of 238286740000 is 47682832.

It can be written as a sum of positive squares in 20 ways, for example, as 165086190864 + 73200549136 = 406308^2 + 270556^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 211059436 + ... + 211060564.

Almost surely, 2238286740000 is an apocalyptic number.

238286740000 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 238286740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299903109660).

238286740000 is an abundant number, since it is smaller than the sum of its proper divisors (361519479320).

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

238286740000 is a wasteful number, since it uses less digits than its factorization.

238286740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 238286740000 in words is "two hundred thirty-eight billion, two hundred eighty-six million, seven hundred forty thousand".