Search a number
-
+
340631848648 = 237132320343517
BaseRepresentation
bin1001111010011110011…
…11011000011011001000
31012120020012220210122101
410331033033120123020
521040103223124043
6420252322403144
733416113640440
oct4751717303310
91176205823571
10340631848648
11121508886603
1256024b004b4
1326176a7b2c0
14126b55c7120
158cd98a524d
hex4f4f3d86c8

340631848648 has 64 divisors (see below), whose sum is σ = 820250645760. Its totient is φ = 128896517376.

The previous prime is 340631848633. The next prime is 340631848649. The reversal of 340631848648 is 846848136043.

It is a happy number.

It is a super-5 number, since 5×3406318486485 (a number of 59 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (340631848649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10155015 + ... + 10188502.

It is an arithmetic number, because the mean of its divisors is an integer number (12816416340).

Almost surely, 2340631848648 is an apocalyptic number.

It is an amenable number.

340631848648 is an abundant number, since it is smaller than the sum of its proper divisors (479618797112).

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

340631848648 is a wasteful number, since it uses less digits than its factorization.

340631848648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20343566 (or 20343562 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 55.

The spelling of 340631848648 in words is "three hundred forty billion, six hundred thirty-one million, eight hundred forty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 13 14 23 26 28 46 52 56 91 92 104 161 182 184 299 322 364 598 644 728 1196 1288 2093 2392 4186 8372 16744 20343517 40687034 81374068 142404619 162748136 264465721 284809238 467900891 528931442 569618476 935801782 1057862884 1139236952 1851260047 1871603564 2115725768 3275306237 3702520094 3743207128 6082711583 6550612474 7405040188 12165423166 13101224948 14810080376 24330846332 26202449896 42578981081 48661692664 85157962162 170315924324 340631848648