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204301230144 = 263111133472467
BaseRepresentation
bin1011111001000101001…
…1010110000001000000
3201112100002210211000120
42332101103112001000
511321402103331034
6233504340220240
720521526542404
oct2762123260100
9645302724016
10204301230144
117970979a060
123371809a680
131635b47c57b
149c61449104
1554aad9cc49
hex2f914d6040

204301230144 has 224 divisors, whose sum is σ = 596862383616. Its totient is φ = 61159956480.

The previous prime is 204301230131. The next prime is 204301230149. The reversal of 204301230144 is 441032103402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (204301230149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82812399 + ... + 82814865.

Almost surely, 2204301230144 is an apocalyptic number.

204301230144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204301230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298431191808).

204301230144 is an abundant number, since it is smaller than the sum of its proper divisors (392561153472).

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

204301230144 is a wasteful number, since it uses less digits than its factorization.

204301230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 204301230144 its reverse (441032103402), we get a palindrome (645333333546).

The spelling of 204301230144 in words is "two hundred four billion, three hundred one million, two hundred thirty thousand, one hundred forty-four".