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204011460431 = 1723618553581
BaseRepresentation
bin1011111000000000000…
…1111101011101001111
3201111120220112222200222
42332000001331131033
511320303413213211
6233415505341555
720511410541632
oct2760001753517
9644526488628
10204011460431
1179580172859
12336570378bb
13163134240bc
149c34b79c19
1554907101db
hex2f8007d74f

204011460431 has 16 divisors (see below), whose sum is σ = 229099140288. Its totient is φ = 180651609600.

The previous prime is 204011460427. The next prime is 204011460451. The reversal of 204011460431 is 134064110402.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 204011460431 - 22 = 204011460427 is a prime.

It is a super-2 number, since 2×2040114604312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204011460431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204011460451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4252940 + ... + 4300641.

It is an arithmetic number, because the mean of its divisors is an integer number (14318696268).

Almost surely, 2204011460431 is an apocalyptic number.

204011460431 is a deficient number, since it is larger than the sum of its proper divisors (25087679857).

204011460431 is a wasteful number, since it uses less digits than its factorization.

204011460431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553682.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 204011460431 its reverse (134064110402), we get a palindrome (338075570833).

The spelling of 204011460431 in words is "two hundred four billion, eleven million, four hundred sixty thousand, four hundred thirty-one".

Divisors: 1 17 23 61 391 1037 1403 23851 8553581 145410877 196732363 521768441 3344450171 8870063497 12000674143 204011460431