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54612849172 = 22731199421751
BaseRepresentation
bin110010110111001011…
…011111001000010100
312012222001201012002111
4302313023133020110
51343321342133142
641031102520404
73642233362420
oct626713371024
9165861635074
1054612849172
11211855909a2
12a701896104
1351c463868b
142901213b80
151649824e17
hexcb72df214

54612849172 has 96 divisors (see below), whose sum is σ = 113736089600. Its totient is φ = 22453200000.

The previous prime is 54612849143. The next prime is 54612849173. The reversal of 54612849172 is 27194821645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54612849173) 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, 72719797 + ... + 72720547.

Almost surely, 254612849172 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 54612849172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56868044800).

54612849172 is an abundant number, since it is smaller than the sum of its proper divisors (59123240428).

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

54612849172 is a wasteful number, since it uses less digits than its factorization.

54612849172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 54612849172 in words is "fifty-four billion, six hundred twelve million, eight hundred forty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 31 62 124 199 217 398 421 434 751 796 842 868 1393 1502 1684 2786 2947 3004 5257 5572 5894 6169 10514 11788 12338 13051 21028 23281 24676 26102 43183 46562 52204 83779 86366 91357 93124 149449 162967 167558 172732 182714 298898 316171 325934 335116 365428 586453 597796 632342 651868 1046143 1172906 1264684 2092286 2213197 2345812 2597149 4184572 4426394 4632919 5194298 8852788 9265838 9801301 10388596 18180043 18531676 19602602 32430433 36360086 39205204 62918029 64860866 68609107 72720172 125836058 129721732 137218214 251672116 274436428 440426203 880852406 1761704812 1950458899 3900917798 7801835596 13653212293 27306424586 54612849172