Search a number
-
+
30310144134220 = 2258091873309279
BaseRepresentation
bin1101110010001001000010…
…10111111100110001001100
310222022121210001121012100001
412321010201113330301030
512433100133344243340
6144244142112214044
76245556425133106
oct671044127746114
9128277701535301
1030310144134220
1197265071a8555
123496385b3a324
1313bb307a82332
1476b039850576
15378682d1729a
hex1b91215fcc4c

30310144134220 has 24 divisors (see below), whose sum is σ = 63729981705600. Its totient is φ = 12109071172992.

The previous prime is 30310144134211. The next prime is 30310144134241. The reversal of 30310144134220 is 2243144101303.

It is a happy number.

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, 936638460 + ... + 936670819.

It is an arithmetic number, because the mean of its divisors is an integer number (2655415904400).

Almost surely, 230310144134220 is an apocalyptic number.

It is an amenable number.

30310144134220 is an abundant number, since it is smaller than the sum of its proper divisors (33419837571380).

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

30310144134220 is a wasteful number, since it uses less digits than its factorization.

30310144134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873310097 (or 1873310095 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 30310144134220 its reverse (2243144101303), we get a palindrome (32553288235523).

The spelling of 30310144134220 in words is "thirty trillion, three hundred ten billion, one hundred forty-four million, one hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 809 1618 3236 4045 8090 16180 1873309279 3746618558 7493237116 9366546395 18733092790 37466185580 1515507206711 3031014413422 6062028826844 7577536033555 15155072067110 30310144134220