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205452503350 = 25219216265793
BaseRepresentation
bin1011111101010111101…
…1000110100100110110
3201122022100010112221221
42333111323012210312
511331231320101400
6234214504100554
720562206315143
oct2772573064466
9648270115857
10205452503350
117a14a644716
123399976475a
13164b2b43013
149d302d33ca
155526eb0c1a
hex2fd5ec6936

205452503350 has 24 divisors (see below), whose sum is σ = 402254376840. Its totient is φ = 77855685120.

The previous prime is 205452503323. The next prime is 205452503353. The reversal of 205452503350 is 53305254502.

It is a super-2 number, since 2×2054525033502 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205452503353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108131947 + ... + 108133846.

It is an arithmetic number, because the mean of its divisors is an integer number (16760599035).

Almost surely, 2205452503350 is an apocalyptic number.

205452503350 is a deficient number, since it is larger than the sum of its proper divisors (196801873490).

205452503350 is a wasteful number, since it uses less digits than its factorization.

205452503350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216265824 (or 216265819 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

Adding to 205452503350 its reverse (53305254502), we get a palindrome (258757757852).

The spelling of 205452503350 in words is "two hundred five billion, four hundred fifty-two million, five hundred three thousand, three hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 216265793 432531586 1081328965 2162657930 4109050067 5406644825 8218100134 10813289650 20545250335 41090500670 102726251675 205452503350