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53720053210 = 25173761140009
BaseRepresentation
bin110010000001111101…
…101111010111011010
312010122211202110021101
4302001331233113122
51340004313200320
640402331102014
73611142626635
oct620175572732
9163584673241
1053720053210
112086762a09a
12a4b28a190a
1350b1695045
142858810c1c
1515e626cc0a
hexc81f6f5da

53720053210 has 64 divisors (see below), whose sum is σ = 106875793440. Its totient is φ = 19354705920.

The previous prime is 53720053139. The next prime is 53720053223. The reversal of 53720053210 is 1235002735.

It can be written as a sum of positive squares in 16 ways, for example, as 8308869409 + 45411183801 = 91153^2 + 213099^2 .

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, 313686 + ... + 453694.

Almost surely, 253720053210 is an apocalyptic number.

53720053210 is a deficient number, since it is larger than the sum of its proper divisors (53155740230).

53720053210 is a wasteful number, since it uses less digits than its factorization.

53720053210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140131.

The product of its (nonzero) digits is 6300, while the sum is 28.

Adding to 53720053210 its reverse (1235002735), we get a palindrome (54955055945).

The spelling of 53720053210 in words is "fifty-three billion, seven hundred twenty million, fifty-three thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 37 61 74 85 122 170 185 305 370 610 629 1037 1258 2074 2257 3145 4514 5185 6290 10370 11285 22570 38369 76738 140009 191845 280018 383690 700045 1400090 2380153 4760306 5180333 8540549 10360666 11900765 17081098 23801530 25901665 42702745 51803330 85405490 88065661 145189333 176131322 290378666 316000313 440328305 632000626 725946665 880656610 1451893330 1580001565 3160003130 5372005321 10744010642 26860026605 53720053210