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238180273662042 = 23229456284049161
BaseRepresentation
bin110110001001111110101010…
…100110101010100001011010
31011020022210220210102002220200
4312021332222212222201122
5222204321200024141132
62202322301315003030
7101111646134616015
oct6611765246524132
91136283823362820
10238180273662042
1169989761154098
1222868b23899476
13a2b93c384240a
1442b5db592437c
151c80937541d7c
hexd89faa9aa85a

238180273662042 has 24 divisors (see below), whose sum is σ = 533852337519540. Its totient is φ = 76655720258880.

The previous prime is 238180273662011. The next prime is 238180273662043. The reversal of 238180273662042 is 240266372081832.

238180273662042 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 8 + 0 + 2 + 7 + 3 + 6 + 620 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 231310061272161 + 6870212389881 = 15208881^2 + 2621109^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 238180273662042.

It is not an unprimeable number, because it can be changed into a prime (238180273662043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228142024059 + ... + 228142025102.

Almost surely, 2238180273662042 is an apocalyptic number.

238180273662042 is an abundant number, since it is smaller than the sum of its proper divisors (295672063857498).

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

238180273662042 is a wasteful number, since it uses less digits than its factorization.

238180273662042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456284049198 (or 456284049195 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 238180273662042 in words is "two hundred thirty-eight trillion, one hundred eighty billion, two hundred seventy-three million, six hundred sixty-two thousand, forty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 456284049161 912568098322 1368852147483 2737704294966 4106556442449 8213112884898 13232237425669 26464474851338 39696712277007 79393424554014 119090136831021 238180273662042