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238703887168 = 267947212003
BaseRepresentation
bin1101111001001111011…
…1000100001101000000
3211211010200110212102221
43132103313010031000
512402331143342133
6301354204420424
723150206364125
oct3362367041500
9754120425387
10238703887168
119226313750a
123a319547714
13196819c7b66
14b7a64a074c
156321287a2d
hex3793dc4340

238703887168 has 28 divisors (see below), whose sum is σ = 479673960640. Its totient is φ = 117841156992.

The previous prime is 238703887157. The next prime is 238703887241. The reversal of 238703887168 is 861788307832.

It is a super-2 number, since 2×2387038871682 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23600946 + ... + 23611057.

It is an arithmetic number, because the mean of its divisors is an integer number (17131212880).

Almost surely, 2238703887168 is an apocalyptic number.

It is an amenable number.

238703887168 is an abundant number, since it is smaller than the sum of its proper divisors (240970073472).

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

238703887168 is an equidigital number, since it uses as much as digits as its factorization.

238703887168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47212094 (or 47212084 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 238703887168 in words is "two hundred thirty-eight billion, seven hundred three million, eight hundred eighty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 79 158 316 632 1264 2528 5056 47212003 94424006 188848012 377696024 755392048 1510784096 3021568192 3729748237 7459496474 14918992948 29837985896 59675971792 119351943584 238703887168