Search a number
-
+
127866160072 = 2372327160793
BaseRepresentation
bin111011100010101101…
…0101100001111001000
3110020001012201221112101
41313011122230033020
54043332214110242
6134424011323144
712144433266460
oct1670532541710
9406035657471
10127866160072
114a256128662
12209461504b4
13c099a98c61
14628dd30ba0
1534d58649b7
hex1dc56ac3c8

127866160072 has 96 divisors (see below), whose sum is σ = 290468868480. Its totient is φ = 51678063360.

The previous prime is 127866160069. The next prime is 127866160091. The reversal of 127866160072 is 270061668721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2072908 + ... + 2133700.

It is an arithmetic number, because the mean of its divisors is an integer number (3025717380).

Almost surely, 2127866160072 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 127866160072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145234434240).

127866160072 is an abundant number, since it is smaller than the sum of its proper divisors (162602708408).

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

127866160072 is a wasteful number, since it uses less digits than its factorization.

127866160072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60923 (or 60896 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 127866160072 in words is "one hundred twenty-seven billion, eight hundred sixty-six million, one hundred sixty thousand, seventy-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 71 92 142 161 184 284 322 497 529 568 644 994 1058 1288 1633 1988 2116 3266 3703 3976 4232 6532 7406 11431 13064 14812 22862 29624 37559 45724 60793 75118 91448 121586 150236 243172 262913 300472 425551 486344 525826 851102 1051652 1398239 1702204 2103304 2796478 3404408 4316303 5592956 8632606 9787673 11185912 17265212 19575346 30214121 32159497 34530424 39150692 60428242 64318994 78301384 99274969 120856484 128637988 198549938 225116479 241712968 257275976 397099876 450232958 694924783 794199752 900465916 1389849566 1800931832 2283324287 2779699132 4566648574 5559398264 9133297148 15983270009 18266594296 31966540018 63933080036 127866160072