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51241051323144 = 2333311762788069
BaseRepresentation
bin10111010011010011111001…
…01010010111101100001000
320201102121002222011122212000
423221221330222113230020
523204013133114320034
6300551451454151000
713536021006544044
oct1351517452275410
9221377088148760
1051241051323144
1115366231690921
1258b6a384b2460
132279019b29b27
14c92119bab024
155dcd6d7a0599
hex2e9a7ca97b08

51241051323144 has 64 divisors (see below), whose sum is σ = 142793926704000. Its totient is φ = 17025429677760.

The previous prime is 51241051323109. The next prime is 51241051323169. The reversal of 51241051323144 is 44132315014215.

51241051323144 is a `hidden beast` number, since 5 + 1 + 2 + 410 + 5 + 1 + 3 + 231 + 4 + 4 = 666.

It is a super-2 number, since 2×512410513231442 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 51241051323099 and 51241051323108.

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, 381326859 + ... + 381461210.

It is an arithmetic number, because the mean of its divisors is an integer number (2231155104750).

Almost surely, 251241051323144 is an apocalyptic number.

51241051323144 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51241051323144 is an abundant number, since it is smaller than the sum of its proper divisors (91552875380856).

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

51241051323144 is a wasteful number, since it uses less digits than its factorization.

51241051323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762788395 (or 762788385 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 51241051323144 its reverse (44132315014215), we get a palindrome (95373366337359).

The spelling of 51241051323144 in words is "fifty-one trillion, two hundred forty-one billion, fifty-one million, three hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 311 622 933 1244 1866 2488 2799 3732 5598 7464 8397 11196 16794 22392 33588 67176 762788069 1525576138 2288364207 3051152276 4576728414 6102304552 6865092621 9153456828 13730185242 18306913656 20595277863 27460370484 41190555726 54920740968 82381111452 164762222904 237227089459 474454178918 711681268377 948908357836 1423362536754 1897816715672 2135043805131 2846725073508 4270087610262 5693450147016 6405131415393 8540175220524 12810262830786 17080350441048 25620525661572 51241051323144