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51012305211330 = 23254113824472957
BaseRepresentation
bin10111001100101001110100…
…10101001100111111000010
320200121201200021000012012200
423212110322111030333002
523141241200113230310
6300254421323134030
713513342322636631
oct1346247225147702
9220551607005180
1051012305211330
1115288219449421
12587a639974316
132260594157148
14c85019ddb518
155d6e318349c0
hex2e653a54cfc2

51012305211330 has 48 divisors (see below), whose sum is σ = 135866920231224. Its totient is φ = 13271494037760.

The previous prime is 51012305211281. The next prime is 51012305211347. The reversal of 51012305211330 is 3311250321015.

51012305211330 is a `hidden beast` number, since 5 + 1 + 0 + 1 + 2 + 3 + 0 + 521 + 133 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32143559081841 + 18868746129489 = 5669529^2 + 4343817^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51012305211294 and 51012305211303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6912232789 + ... + 6912240168.

Almost surely, 251012305211330 is an apocalyptic number.

51012305211330 is an abundant number, since it is smaller than the sum of its proper divisors (84854615019894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51012305211330 is a wasteful number, since it uses less digits than its factorization.

51012305211330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13824473011 (or 13824473008 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 51012305211330 its reverse (3311250321015), we get a palindrome (54323555532345).

The spelling of 51012305211330 in words is "fifty-one trillion, twelve billion, three hundred five million, two hundred eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 41 45 82 90 123 205 246 369 410 615 738 1230 1845 3690 13824472957 27648945914 41473418871 69122364785 82946837742 124420256613 138244729570 207367094355 248840513226 414734188710 566803391237 622101283065 1133606782474 1244202566130 1700410173711 2834016956185 3400820347422 5101230521133 5668033912370 8502050868555 10202461042266 17004101737110 25506152605665 51012305211330