Search a number
-
+
30541120410 = 23519233229961
BaseRepresentation
bin11100011100011001…
…001000001110011010
32220211110111200000210
4130130121020032122
51000022011323120
622010322111550
72130560145243
oct343431101632
986743450023
1030541120410
1111a52736889
125b041ab5b6
132b595169a8
14169a265cca
15bdb3b5ce0
hex71c64839a

30541120410 has 64 divisors (see below), whose sum is σ = 77487995520. Its totient is φ = 7682503680.

The previous prime is 30541120403. The next prime is 30541120447. The reversal of 30541120410 is 1402114503.

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, 17830 + ... + 247790.

It is an arithmetic number, because the mean of its divisors is an integer number (1210749930).

Almost surely, 230541120410 is an apocalyptic number.

30541120410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30541120410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38743997760).

30541120410 is an abundant number, since it is smaller than the sum of its proper divisors (46946875110).

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

30541120410 is a wasteful number, since it uses less digits than its factorization.

30541120410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230223.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 30541120410 its reverse (1402114503), we get a palindrome (31943234913).

The spelling of 30541120410 in words is "thirty billion, five hundred forty-one million, one hundred twenty thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 233 285 466 570 699 1165 1398 2330 3495 4427 6990 8854 13281 22135 26562 44270 66405 132810 229961 459922 689883 1149805 1379766 2299610 3449415 4369259 6898830 8738518 13107777 21846295 26215554 43692590 53580913 65538885 107161826 131077770 160742739 267904565 321485478 535809130 803713695 1018037347 1607427390 2036074694 3054112041 5090186735 6108224082 10180373470 15270560205 30541120410