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51244311045532 = 221127117232494241
BaseRepresentation
bin10111010011011001111101…
…11101001110010110011100
320201102220112010220201022211
423221230332331032112130
523204041322111424112
6300553151141250204
713536164540663623
oct1351547675162634
9221386463821284
1051244311045532
1115367654715570
1258b75a8103964
132279419279147
14c92348aa06ba
155dceaea490a7
hex2e9b3ef4e59c

51244311045532 has 48 divisors (see below), whose sum is σ = 98248072656384. Its totient is φ = 23193438912000.

The previous prime is 51244311045517. The next prime is 51244311045569. The reversal of 51244311045532 is 23554011344215.

It is a congruent number.

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, 19297932 + ... + 21792172.

It is an arithmetic number, because the mean of its divisors is an integer number (2046834847008).

Almost surely, 251244311045532 is an apocalyptic number.

It is an amenable number.

51244311045532 is a deficient number, since it is larger than the sum of its proper divisors (47003761610852).

51244311045532 is a wasteful number, since it uses less digits than its factorization.

51244311045532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496250 (or 2496248 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 51244311045532 its reverse (23554011344215), we get a palindrome (74798322389747).

The spelling of 51244311045532 in words is "fifty-one trillion, two hundred forty-four billion, three hundred eleven million, forty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 271 542 1084 1723 2981 3446 5962 6892 11924 18953 37906 75812 466933 933866 1867732 2494241 4988482 5136263 9976964 10272526 20545052 27436651 54873302 109746604 675939311 1351878622 2703757244 4297577243 7435332421 8595154486 14870664842 17190308972 29741329684 47273349673 94546699346 189093398692 1164643432853 2329286865706 4658573731412 12811077761383 25622155522766 51244311045532