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12745287103150 = 2527311677034017
BaseRepresentation
bin1011100101110111111001…
…0011110111001010101110
31200010102210222020201002001
42321131332103313022232
53132304321444300100
643035034251122514
72453550044610520
oct271357623671256
950112728221061
1012745287103150
114074278334378
12151a156a4343a
13715b4c3a1484
14320c37729a10
15171802c28d6a
hexb977e4f72ae

12745287103150 has 96 divisors (see below), whose sum is σ = 28134271291392. Its totient is φ = 4203527961600.

The previous prime is 12745287103127. The next prime is 12745287103169. The reversal of 12745287103150 is 5130178254721.

It is a self number, because there is not a number n which added to its sum of digits gives 12745287103150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1705059 + ... + 5328958.

It is an arithmetic number, because the mean of its divisors is an integer number (293065325952).

Almost surely, 212745287103150 is an apocalyptic number.

12745287103150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12745287103150 is an abundant number, since it is smaller than the sum of its proper divisors (15388984188242).

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

12745287103150 is a wasteful number, since it uses less digits than its factorization.

12745287103150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034234 (or 7034229 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 12745287103150 in words is "twelve trillion, seven hundred forty-five billion, two hundred eighty-seven million, one hundred three thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 31 35 50 62 70 155 167 175 217 310 334 350 434 775 835 1085 1169 1550 1670 2170 2338 4175 5177 5425 5845 8350 10354 10850 11690 25885 29225 36239 51770 58450 72478 129425 181195 258850 362390 905975 1811950 7034017 14068034 35170085 49238119 70340170 98476238 175850425 218054527 246190595 351700850 436109054 492381190 1090272635 1174680839 1230952975 1526381689 2180545270 2349361678 2461905950 3052763378 5451363175 5873404195 7631908445 8222765873 10902726350 11746808390 15263816890 16445531746 29367020975 36415106009 38159542225 41113829365 58734041950 72830212018 76319084450 82227658730 182075530045 205569146825 254905742063 364151060090 411138293650 509811484126 910377650225 1274528710315 1820755300450 2549057420630 6372643551575 12745287103150