Search a number
-
+
47212005260 = 22571727391579
BaseRepresentation
bin101011111110000011…
…100000011110001100
311111212021201100211102
4223332003200132030
51233142233132020
633404445042232
73260646265130
oct537603403614
9144767640742
1047212005260
1119027a45372
129197256378
1345b5286cb4
1423dc3533c0
151364c2c475
hexafe0e078c

47212005260 has 144 divisors (see below), whose sum is σ = 120605318400. Its totient is φ = 15204547584.

The previous prime is 47212005251. The next prime is 47212005289. The reversal of 47212005260 is 6250021274.

It is a happy number.

47212005260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 29899151 + ... + 29900729.

Almost surely, 247212005260 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 47212005260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60302659200).

47212005260 is an abundant number, since it is smaller than the sum of its proper divisors (73393313140).

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

47212005260 is a wasteful number, since it uses less digits than its factorization.

47212005260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 47212005260 in words is "forty-seven billion, two hundred twelve million, five thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 289 340 476 578 595 739 1156 1190 1445 1478 1579 2023 2380 2890 2956 3158 3695 4046 5173 5780 6316 7390 7895 8092 10115 10346 11053 12563 14780 15790 20230 20692 22106 25126 25865 26843 31580 40460 44212 50252 51730 53686 55265 62815 87941 103460 107372 110530 125630 134215 175882 187901 213571 221060 251260 268430 351764 375802 427142 439705 456331 536860 751604 854284 879410 912662 939505 1067855 1166881 1494997 1758820 1825324 1879010 2135710 2281655 2333762 2989994 3194317 3758020 4271420 4563310 4667524 5834405 5979988 6388634 7474985 8168167 9126620 11668810 12777268 14949970 15971585 16336334 19836977 23337620 29899940 31943170 32672668 39673954 40840835 63886340 79347908 81681670 99184885 138858839 163363340 198369770 277717678 337228609 396739540 555435356 674457218 694294195 1348914436 1388588390 1686143045 2360600263 2777176780 3372286090 4721200526 6744572180 9442401052 11803001315 23606002630 47212005260