Search a number
-
+
130144421242 = 2119013656347
BaseRepresentation
bin111100100110100110…
…1100100010101111010
3110102220222200121022201
41321031031210111322
54113013432434432
6135442034340414
712255046220353
oct1711515442572
9412828617281
10130144421242
1150215150a30
122128112a70a
13c370a9c3a4
146428740d2a
1535ba88eee7
hex1e4d36457a

130144421242 has 16 divisors (see below), whose sum is σ = 212987551392. Its totient is φ = 59149901520.

The previous prime is 130144421219. The next prime is 130144421263. The reversal of 130144421242 is 242124441031.

It is a self number, because there is not a number n which added to its sum of digits gives 130144421242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129888 + ... + 526459.

It is an arithmetic number, because the mean of its divisors is an integer number (13311721962).

Almost surely, 2130144421242 is an apocalyptic number.

130144421242 is a deficient number, since it is larger than the sum of its proper divisors (82843130150).

130144421242 is a wasteful number, since it uses less digits than its factorization.

130144421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665373.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 130144421242 its reverse (242124441031), we get a palindrome (372268862273).

The spelling of 130144421242 in words is "one hundred thirty billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 11 22 9013 18026 99143 198286 656347 1312694 7219817 14439634 5915655511 11831311022 65072210621 130144421242