Search a number
-
+
30220020032212 = 22232696831218017
BaseRepresentation
bin1101101111100001001011…
…00011110010001011010100
310222000000011011012110021001
412313300211203302023110
512430111100112012322
6144134515140033044
76236216160662113
oct667604543621324
9128000134173231
1030220020032212
1196a126952381a
123480a13692784
1313b297432b01a
1476692a289c7a
1537615ab24827
hex1b7c258f22d4

30220020032212 has 24 divisors (see below), whose sum is σ = 55184634340416. Its totient is φ = 14452987600128.

The previous prime is 30220020032197. The next prime is 30220020032219. The reversal of 30220020032212 is 21223002002203.

It is a super-2 number, since 2×302200200322122 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30220020032212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220020032219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24201828 + ... + 25419844.

It is an arithmetic number, because the mean of its divisors is an integer number (2299359764184).

Almost surely, 230220020032212 is an apocalyptic number.

It is an amenable number.

30220020032212 is a deficient number, since it is larger than the sum of its proper divisors (24964614308204).

30220020032212 is a wasteful number, since it uses less digits than its factorization.

30220020032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487727 (or 1487725 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30220020032212 its reverse (21223002002203), we get a palindrome (51443022034415).

The spelling of 30220020032212 in words is "thirty trillion, two hundred twenty billion, twenty million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 269683 539366 1078732 1218017 2436034 4872068 6202709 12405418 24810836 28014391 56028782 112057564 328478478611 656956957222 1313913914444 7555005008053 15110010016106 30220020032212