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204246144012 = 22379215449519
BaseRepresentation
bin1011111000111000000…
…1001101010000001100
3201112012021011011001110
42332032001031100030
511321244003102022
6233455051412020
720520260402421
oct2761601152014
9645167134043
10204246144012
1179690695029
1233701754010
131634cc33121
149c57dc9d48
1554a611b00c
hex2f8e04d40c

204246144012 has 24 divisors (see below), whose sum is σ = 482606924800. Its totient is φ = 67220249616.

The previous prime is 204246143989. The next prime is 204246144019. The reversal of 204246144012 is 210441642402.

It is a super-2 number, since 2×2042461440122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204246144019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107723812 + ... + 107725707.

Almost surely, 2204246144012 is an apocalyptic number.

It is an amenable number.

204246144012 is an abundant number, since it is smaller than the sum of its proper divisors (278360780788).

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

204246144012 is a wasteful number, since it uses less digits than its factorization.

204246144012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215449605 (or 215449603 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 204246144012 its reverse (210441642402), we get a palindrome (414687786414).

The spelling of 204246144012 in words is "two hundred four billion, two hundred forty-six million, one hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 215449519 430899038 646348557 861798076 1292697114 2585394228 17020512001 34041024002 51061536003 68082048004 102123072006 204246144012