Search a number
-
+
130412121440 = 2551039784481
BaseRepresentation
bin111100101110100101…
…0110000110101100000
3110110121122102011221212
41321131022300311200
54114041000341230
6135524400205252
712264506512406
oct1713512606540
9413548364855
10130412121440
1150342274067
1221336909828
13c3b439b483
146452107476
1535d411d895
hex1e5d2b0d60

130412121440 has 48 divisors (see below), whose sum is σ = 308395563840. Its totient is φ = 52114575360.

The previous prime is 130412121431. The next prime is 130412121443. The reversal of 130412121440 is 44121214031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130412121443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226001 + ... + 558480.

It is an arithmetic number, because the mean of its divisors is an integer number (6424907580).

Almost surely, 2130412121440 is an apocalyptic number.

130412121440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130412121440 is an abundant number, since it is smaller than the sum of its proper divisors (177983442400).

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

130412121440 is a wasteful number, since it uses less digits than its factorization.

130412121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785535 (or 785527 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 130412121440 its reverse (44121214031), we get a palindrome (174533335471).

The spelling of 130412121440 in words is "one hundred thirty billion, four hundred twelve million, one hundred twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1039 2078 4156 5195 8312 10390 16624 20780 33248 41560 83120 166240 784481 1568962 3137924 3922405 6275848 7844810 12551696 15689620 25103392 31379240 62758480 125516960 815075759 1630151518 3260303036 4075378795 6520606072 8150757590 13041212144 16301515180 26082424288 32603030360 65206060720 130412121440