Search a number
-
+
1247169849068 = 22111319114756151
BaseRepresentation
bin10010001001100001000…
…111011010011011101100
311102020011102002201101102
4102021201013122123230
5130413200440132233
62352535242102232
7156051013542623
oct22114107323354
94366142081342
101247169849068
11440a15958930
121818627aa978
13907b8c018c0
14445130266ba
1522695d8c1e8
hex122611da6ec

1247169849068 has 48 divisors (see below), whose sum is σ = 2699064695040. Its totient is φ = 495746568000.

The previous prime is 1247169849067. The next prime is 1247169849119. The reversal of 1247169849068 is 8609489617421.

It is a junction number, because it is equal to n+sod(n) for n = 1247169848995 and 1247169849013.

It is not an unprimeable number, because it can be changed into a prime (1247169849061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57367208 + ... + 57388943.

It is an arithmetic number, because the mean of its divisors is an integer number (56230514480).

Almost surely, 21247169849068 is an apocalyptic number.

It is an amenable number.

1247169849068 is an abundant number, since it is smaller than the sum of its proper divisors (1451894845972).

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

1247169849068 is a wasteful number, since it uses less digits than its factorization.

1247169849068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114756198 (or 114756196 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 1247169849068 in words is "one trillion, two hundred forty-seven billion, one hundred sixty-nine million, eight hundred forty-nine thousand, sixty-eight".

Divisors: 1 2 4 11 13 19 22 26 38 44 52 76 143 209 247 286 418 494 572 836 988 2717 5434 10868 114756151 229512302 459024604 1262317661 1491829963 2180366869 2524635322 2983659926 4360733738 5049270644 5967319852 8721467476 16410129593 23984035559 28344769297 32820259186 47968071118 56689538594 65640518372 95936142236 113379077188 311792462267 623584924534 1247169849068