Search a number
-
+
103442131033420 = 225176531597291743
BaseRepresentation
bin10111100001010001111111…
…011110011001110101001100
3111120020222012222010102111211
4113201101333132121311030
5102024243441021032140
61004000354200424204
730534306303156514
oct2741217736316514
9446228188112454
10103442131033420
112aa6161a268233
12b727940478064
1345947219cba4a
141b788a94c2844
15be5b7953b2ea
hex5e147f799d4c

103442131033420 has 96 divisors (see below), whose sum is σ = 230503886258688. Its totient is φ = 38858802081792.

The previous prime is 103442131033349. The next prime is 103442131033421. The reversal of 103442131033420 is 24330131244301.

It is not an unprimeable number, because it can be changed into a prime (103442131033421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354420069 + ... + 354711811.

It is an arithmetic number, because the mean of its divisors is an integer number (2401082148528).

Almost surely, 2103442131033420 is an apocalyptic number.

103442131033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103442131033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115251943129344).

103442131033420 is an abundant number, since it is smaller than the sum of its proper divisors (127061755225268).

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

103442131033420 is a wasteful number, since it uses less digits than its factorization.

103442131033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294019 (or 294017 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 103442131033420 its reverse (24330131244301), we get a palindrome (127772262277721).

The spelling of 103442131033420 in words is "one hundred three trillion, four hundred forty-two billion, one hundred thirty-one million, thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 653 1306 1597 2612 3194 3265 6388 6530 7985 11101 13060 15970 22202 27149 31940 44404 54298 55505 108596 111010 135745 222020 271490 291743 542980 583486 1042841 1166972 1458715 2085682 2917430 4171364 4959631 5214205 5834860 9919262 10428410 17728297 19838524 20856820 24798155 35456594 49596310 70913188 88641485 99192620 177282970 190508179 354565940 381016358 465913571 762032716 931827142 952540895 1863654284 1905081790 2329567855 3238639043 3810163580 4659135710 6477278086 7920530707 9318271420 12954556172 15841061414 16193195215 31682122828 32386390430 39602653535 64772780860 79205307070 158410614140 304241561863 608483123726 1216966247452 1521207809315 3042415618630 5172106551671 6084831237260 10344213103342 20688426206684 25860532758355 51721065516710 103442131033420