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203253230245 = 513139142315809
BaseRepresentation
bin1011110101001011010…
…1100010101010100101
3201102122001210220102111
42331102311202222211
511312230311331440
6233212342041021
720453542644202
oct2752265425245
9642561726374
10203253230245
117922117123a
1233485119171
13162223074a0
149ba21a4ca9
155448d894ea
hex2f52d62aa5

203253230245 has 32 divisors (see below), whose sum is σ = 264758054400. Its totient is φ = 148900737024.

The previous prime is 203253230207. The next prime is 203253230267. The reversal of 203253230245 is 542032352302.

It is a happy number.

It is not a de Polignac number, because 203253230245 - 233 = 194663295653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12848901 + ... + 12864709.

It is an arithmetic number, because the mean of its divisors is an integer number (8273689200).

Almost surely, 2203253230245 is an apocalyptic number.

It is an amenable number.

203253230245 is a deficient number, since it is larger than the sum of its proper divisors (61504824155).

203253230245 is a wasteful number, since it uses less digits than its factorization.

203253230245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17389.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 203253230245 its reverse (542032352302), we get a palindrome (745285582547).

The spelling of 203253230245 in words is "two hundred three billion, two hundred fifty-three million, two hundred thirty thousand, two hundred forty-five".

Divisors: 1 5 13 65 139 695 1423 1807 7115 9035 15809 18499 79045 92495 197797 205517 988985 1027585 2197451 2571361 10987255 12856805 22496207 28566863 112481035 142834315 292450691 1462253455 3126972773 15634863865 40650646049 203253230245