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53445020210 = 2531877196583
BaseRepresentation
bin110001110001100100…
…100100101000110010
312002221200020022220222
4301301210210220302
51333423411121320
640315144133042
73601263114311
oct616144445062
9162850208828
1053445020210
112073635879a
12a436767182
1350696c941a
14283009a278
1515cc041825
hexc71924a32

53445020210 has 32 divisors (see below), whose sum is σ = 99418033152. Its totient is φ = 20664699840.

The previous prime is 53445020191. The next prime is 53445020227. The reversal of 53445020210 is 1202054435.

It is a happy number.

It is a super-3 number, since 3×534450202103 (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53445020210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173579 + ... + 370161.

It is an arithmetic number, because the mean of its divisors is an integer number (3106813536).

Almost surely, 253445020210 is an apocalyptic number.

53445020210 is a deficient number, since it is larger than the sum of its proper divisors (45973012942).

53445020210 is a wasteful number, since it uses less digits than its factorization.

53445020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197498.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 53445020210 its reverse (1202054435), we get a palindrome (54647074645).

The spelling of 53445020210 in words is "fifty-three billion, four hundred forty-five million, twenty thousand, two hundred ten".

Divisors: 1 2 5 10 31 62 155 310 877 1754 4385 8770 27187 54374 135935 196583 271870 393166 982915 1965830 6094073 12188146 30470365 60940730 172403291 344806582 862016455 1724032910 5344502021 10689004042 26722510105 53445020210