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238709793193632 = 25343153127441361
BaseRepresentation
bin110110010001101011110100…
…011011010111111010100000
31011022012102200220211101210000
4312101223310123113322200
5222242010124024144012
62203405433132140000
7101165133130435605
oct6621536433277240
91138172626741700
10238709793193632
116a073289119592
1222933682907600
13a32731064b337
1442d38894426ac
151c8e5c99e2ddc
hexd91af46d7ea0

238709793193632 has 480 divisors, whose sum is σ = 744174126710784. Its totient is φ = 74955215462400.

The previous prime is 238709793193567. The next prime is 238709793193681. The reversal of 238709793193632 is 236391397907832.

238709793193632 is a `hidden beast` number, since 2 + 3 + 87 + 0 + 97 + 93 + 19 + 363 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 540628632 + ... + 541069992.

Almost surely, 2238709793193632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238709793193632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372087063355392).

238709793193632 is an abundant number, since it is smaller than the sum of its proper divisors (505464333517152).

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

238709793193632 is a wasteful number, since it uses less digits than its factorization.

238709793193632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441594 (or 441577 counting only the distinct ones).

The product of its (nonzero) digits is 555532992, while the sum is 72.

The spelling of 238709793193632 in words is "two hundred thirty-eight trillion, seven hundred nine billion, seven hundred ninety-three million, one hundred ninety-three thousand, six hundred thirty-two".