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53130530450 = 2522294640221
BaseRepresentation
bin110001011110110100…
…111000111010010010
312002010202110121002002
4301132310320322102
51332302403433300
640224031354002
73560424025454
oct613664707222
9162122417062
1053130530450
11205948879a8
12a369382902
1350194c72ca
1428003d42d4
1515ae61e5d5
hexc5ed38e92

53130530450 has 24 divisors (see below), whose sum is σ = 99254348580. Its totient is φ = 21159403200.

The previous prime is 53130530443. The next prime is 53130530503. The reversal of 53130530450 is 5403503135.

It can be written as a sum of positive squares in 6 ways, for example, as 15491038369 + 37639492081 = 124463^2 + 194009^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2308661 + ... + 2331560.

Almost surely, 253130530450 is an apocalyptic number.

53130530450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53130530450 is a deficient number, since it is larger than the sum of its proper divisors (46123818130).

53130530450 is a wasteful number, since it uses less digits than its factorization.

53130530450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640462 (or 4640457 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 53130530450 in words is "fifty-three billion, one hundred thirty million, five hundred thirty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 229 458 1145 2290 5725 11450 4640221 9280442 23201105 46402210 116005525 232011050 1062610609 2125221218 5313053045 10626106090 26565265225 53130530450