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204686160242 = 2472177512343
BaseRepresentation
bin1011111010100000111…
…1101111000101110010
3201120022221010021211212
42332220033233011302
511323144124111432
6234010450440122
720534212440524
oct2765017570562
9646287107755
10204686160242
1179897001803
1233804b93042
13163c0145765
149c9a609a14
1554cea862b2
hex2fa83ef172

204686160242 has 8 divisors (see below), whose sum is σ = 313561777536. Its totient is φ = 100165567732.

The previous prime is 204686160241. The next prime is 204686160251. The reversal of 204686160242 is 242061686402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2046861602422 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204686160242.

It is not an unprimeable number, because it can be changed into a prime (204686160241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088756078 + ... + 1088756265.

It is an arithmetic number, because the mean of its divisors is an integer number (39195222192).

Almost surely, 2204686160242 is an apocalyptic number.

204686160242 is a deficient number, since it is larger than the sum of its proper divisors (108875617294).

204686160242 is a wasteful number, since it uses less digits than its factorization.

204686160242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177512392.

The product of its (nonzero) digits is 221184, while the sum is 41.

It can be divided in two parts, 204686160 and 242, that added together give a palindrome (204686402).

The spelling of 204686160242 in words is "two hundred four billion, six hundred eighty-six million, one hundred sixty thousand, two hundred forty-two".

Divisors: 1 2 47 94 2177512343 4355024686 102343080121 204686160242