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50103018072 = 23336131112227
BaseRepresentation
bin101110101010010111…
…110110001001011000
311210022202200000212000
4232222113312021120
51310102333034242
635003401321000
73422412424662
oct565227661130
9153282600760
1050103018072
111a280936058
129863496160
1349561cc173
1425d42a9532
151483943a4c
hexbaa5f6258

50103018072 has 128 divisors (see below), whose sum is σ = 141923059200. Its totient is φ = 16373059200.

The previous prime is 50103018061. The next prime is 50103018073. The reversal of 50103018072 is 27081030105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50103018073) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4091623 + ... + 4103849.

It is an arithmetic number, because the mean of its divisors is an integer number (1108773900).

Almost surely, 250103018072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50103018072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70961529600).

50103018072 is an abundant number, since it is smaller than the sum of its proper divisors (91820041128).

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

50103018072 is a wasteful number, since it uses less digits than its factorization.

50103018072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614 (or 12604 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 50103018072 its reverse (27081030105), we get a palindrome (77184048177).

The spelling of 50103018072 in words is "fifty billion, one hundred three million, eighteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 61 72 108 122 183 216 244 311 366 488 549 622 732 933 1098 1244 1464 1647 1866 2196 2488 2799 3294 3732 4392 5598 6588 7464 8397 11196 12227 13176 16794 18971 22392 24454 33588 36681 37942 48908 56913 67176 73362 75884 97816 110043 113826 146724 151768 170739 220086 227652 293448 330129 341478 440172 455304 512217 660258 682956 745847 880344 1024434 1320516 1365912 1491694 2048868 2237541 2641032 2983388 3802597 4097736 4475082 5966776 6712623 7605194 8950164 11407791 13425246 15210388 17900328 20137869 22815582 26850492 30420776 34223373 40275738 45631164 53700984 68446746 80551476 91262328 102670119 136893492 161102952 205340238 231958417 273786984 410680476 463916834 695875251 821360952 927833668 1391750502 1855667336 2087625753 2783501004 4175251506 5567002008 6262877259 8350503012 12525754518 16701006024 25051509036 50103018072