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51801297380088 = 2332292839413639
BaseRepresentation
bin10111100011100111011011…
…11011011110001011111000
320210102011012110222011111220
423301303231323132023320
523242203024112130323
6302101104255352040
713624343303501334
oct1361635573361370
9223364173864456
1051801297380088
1115561896a06623
125987531822620
1322b9ac26967b9
14cb12a64147c4
155ec70d53c0e3
hex2f1cedede2f8

51801297380088 has 32 divisors (see below), whose sum is σ = 129503822025600. Its totient is φ = 17267021983328.

The previous prime is 51801297380081. The next prime is 51801297380101. The reversal of 51801297380088 is 88008379210815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51801297380081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795973 + ... + 10209611.

It is an arithmetic number, because the mean of its divisors is an integer number (4046994438300).

Almost surely, 251801297380088 is an apocalyptic number.

It is an amenable number.

51801297380088 is an abundant number, since it is smaller than the sum of its proper divisors (77702524645512).

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

51801297380088 is a wasteful number, since it uses less digits than its factorization.

51801297380088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642931 (or 9642927 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 60.

The spelling of 51801297380088 in words is "fifty-one trillion, eight hundred one billion, two hundred ninety-seven million, three hundred eighty thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 229283 458566 687849 917132 1375698 1834264 2751396 5502792 9413639 18827278 28240917 37654556 56481834 75309112 112963668 225927336 2158387390837 4316774781674 6475162172511 8633549563348 12950324345022 17267099126696 25900648690044 51801297380088