Search a number
-
+
30110041220 = 22571012129423
BaseRepresentation
bin11100000010101100…
…101100010010000100
32212201102100120112212
4130002230230102010
5443131132304340
621455442402552
72114104061510
oct340254542204
985642316485
1030110041220
1111851373696
125a03960458
132abb11314c
141658cd1140
15bb3613a65
hex702b2c484

30110041220 has 48 divisors (see below), whose sum is σ = 72979619328. Its totient is φ = 10221225600.

The previous prime is 30110041217. The next prime is 30110041279. The reversal of 30110041220 is 2214001103.

It is a super-2 number, since 2×301100412202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 30110041195 and 30110041204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050572 + ... + 1078851.

It is an arithmetic number, because the mean of its divisors is an integer number (1520408736).

Almost surely, 230110041220 is an apocalyptic number.

It is an amenable number.

30110041220 is an abundant number, since it is smaller than the sum of its proper divisors (42869578108).

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

30110041220 is a wasteful number, since it uses less digits than its factorization.

30110041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129540 (or 2129538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30110041220 its reverse (2214001103), we get a palindrome (32324042323).

The spelling of 30110041220 in words is "thirty billion, one hundred ten million, forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 101 140 202 404 505 707 1010 1414 2020 2828 3535 7070 14140 2129423 4258846 8517692 10647115 14905961 21294230 29811922 42588460 59623844 74529805 149059610 215071723 298119220 430143446 860286892 1075358615 1505502061 2150717230 3011004122 4301434460 6022008244 7527510305 15055020610 30110041220