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204123103201 = 3531277452821
BaseRepresentation
bin1011111000011010101…
…1110101111111100001
3201111212200122000210101
42332012223311333201
511321021003300301
6233434534302401
720514234515023
oct2760653657741
9644780560711
10204123103201
1179628196706
12336884b7a01
13163305b3104
149c4591c013
15549a414701
hex2f86af5fe1

204123103201 has 8 divisors (see below), whose sum is σ = 204862106664. Its totient is φ = 203385008640.

The previous prime is 204123103169. The next prime is 204123103243. The reversal of 204123103201 is 102301321402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2342463201 + 201780640000 = 48399^2 + 449200^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 204123103201 - 25 = 204123103169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204123100201) 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, 224371 + ... + 677191.

It is an arithmetic number, because the mean of its divisors is an integer number (25607763333).

Almost surely, 2204123103201 is an apocalyptic number.

It is an amenable number.

204123103201 is a deficient number, since it is larger than the sum of its proper divisors (739003463).

204123103201 is a wasteful number, since it uses less digits than its factorization.

204123103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454451.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 204123103201 its reverse (102301321402), we get a palindrome (306424424603).

The spelling of 204123103201 in words is "two hundred four billion, one hundred twenty-three million, one hundred three thousand, two hundred one".

Divisors: 1 353 1277 450781 452821 159845813 578252417 204123103201