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238464000000 = 213345623
BaseRepresentation
bin1101111000010110001…
…1111110000000000000
3211210111222002100010000
43132011203332000000
512401333241000000
6301314315040000
723141234361462
oct3360543760000
9753458070100
10238464000000
119214a790756
123a271140000
13196440b64a5
14b782698132
15630a1a0000
hex37858fe000

238464000000 has 980 divisors, whose sum is σ = 929211387192. Its totient is φ = 60825600000.

The previous prime is 238463999987. The next prime is 238464000059. The reversal of 238464000000 is 464832.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 10367999989 + ... + 10368000011.

Almost surely, 2238464000000 is an apocalyptic number.

238464000000 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 238464000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464605693596).

238464000000 is an abundant number, since it is smaller than the sum of its proper divisors (690747387192).

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

238464000000 is an frugal number, since it uses more digits than its factorization.

238464000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 238464000000 its reverse (464832), we get a palindrome (238464464832).

The spelling of 238464000000 in words is "two hundred thirty-eight billion, four hundred sixty-four million", and thus it is an aban number.