Search a number
-
+
1304251115020 = 225729615266297
BaseRepresentation
bin10010111110101011011…
…011001010011000001100
311121200111111120110201121
4102332223123022120030
5132332101241140040
62435055323450324
7163141362362620
oct22765333123014
94550444513647
101304251115020
11463147830897
121909330869a4
1395cb4a5bc09
14471a9dc9180
1523dd724ec4a
hex12fab6ca60c

1304251115020 has 96 divisors (see below), whose sum is σ = 3291225598080. Its totient is φ = 424674109440.

The previous prime is 1304251115017. The next prime is 1304251115117. The reversal of 1304251115020 is 205111524031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2385489 + ... + 2880808.

It is an arithmetic number, because the mean of its divisors is an integer number (34283599980).

Almost surely, 21304251115020 is an apocalyptic number.

1304251115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304251115020 is an abundant number, since it is smaller than the sum of its proper divisors (1986974483060).

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

1304251115020 is a wasteful number, since it uses less digits than its factorization.

1304251115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5266403 (or 5266401 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1304251115020 its reverse (205111524031), we get a palindrome (1509362639051).

The spelling of 1304251115020 in words is "one trillion, three hundred four billion, two hundred fifty-one million, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 61 70 116 122 140 145 203 244 290 305 406 427 580 610 812 854 1015 1220 1708 1769 2030 2135 3538 4060 4270 7076 8540 8845 12383 17690 24766 35380 49532 61915 123830 247660 5266297 10532594 21065188 26331485 36864079 52662970 73728158 105325940 147456316 152722613 184320395 305445226 321244117 368640790 610890452 642488234 737281580 763613065 1069058291 1284976468 1527226130 1606220585 2138116582 2248708819 3054452260 3212441170 4276233164 4497417638 5345291455 6424882340 8994835276 9316079393 10690582910 11243544095 18632158786 21381165820 22487088190 37264317572 44974176380 46580396965 65212555751 93160793930 130425111502 186321587860 260850223004 326062778755 652125557510 1304251115020