Search a number
-
+
30120102210 = 23511490918593
BaseRepresentation
bin11100000011010011…
…000100100101000010
32212202010021201122010
4130003103010211002
5443141221232320
621500442153350
72114255434032
oct340323044502
985663251563
1030120102210
1111857015660
125a071b2856
132ac02266b3
14165a38d8c2
15bb444eae0
hex7034c4942

30120102210 has 64 divisors (see below), whose sum is σ = 78880210560. Its totient is φ = 7299962880.

The previous prime is 30120102197. The next prime is 30120102211. The reversal of 30120102210 is 1220102103.

It is not an unprimeable number, because it can be changed into a prime (30120102211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1610674 + ... + 1629266.

It is an arithmetic number, because the mean of its divisors is an integer number (1232503290).

Almost surely, 230120102210 is an apocalyptic number.

30120102210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120102210 is an abundant number, since it is smaller than the sum of its proper divisors (48760108350).

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

30120102210 is a wasteful number, since it uses less digits than its factorization.

30120102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23523.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30120102210 its reverse (1220102103), we get a palindrome (31340204313).

The spelling of 30120102210 in words is "thirty billion, one hundred twenty million, one hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 4909 9818 14727 18593 24545 29454 37186 49090 53999 55779 73635 92965 107998 111558 147270 161997 185930 204523 269995 278895 323994 409046 539990 557790 613569 809985 1022615 1227138 1619970 2045230 3067845 6135690 91273037 182546074 273819111 456365185 547638222 912730370 1004003407 1369095555 2008006814 2738191110 3012010221 5020017035 6024020442 10040034070 15060051105 30120102210