Search a number
-
+
30122122212210 = 2357289749512833
BaseRepresentation
bin1101101100101010110100…
…11001001111001101110010
310221122122110111011220211210
412312111122121033031302
512422010101241242320
6144021524550020550
76226152161150220
oct666253231171562
9127578414156753
1030122122212210
1196637a1785666
123465a51947756
1313a66721c0792
14761cc04c1b10
1537382b2330e0
hex1b655a64f372

30122122212210 has 64 divisors (see below), whose sum is σ = 82649199128832. Its totient is φ = 6882679750656.

The previous prime is 30122122212191. The next prime is 30122122212239. The reversal of 30122122212210 is 1221222122103.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 24148047 + ... + 25364786.

It is an arithmetic number, because the mean of its divisors is an integer number (1291393736388).

Almost surely, 230122122212210 is an apocalyptic number.

30122122212210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30122122212210 is an abundant number, since it is smaller than the sum of its proper divisors (52527076916622).

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

30122122212210 is a wasteful number, since it uses less digits than its factorization.

30122122212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49515747.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 30122122212210 its reverse (1221222122103), we get a palindrome (31343344334313).

The spelling of 30122122212210 in words is "thirty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 2897 5794 8691 14485 17382 20279 28970 40558 43455 60837 86910 101395 121674 202790 304185 608370 49512833 99025666 148538499 247564165 297076998 346589831 495128330 693179662 742692495 1039769493 1485384990 1732949155 2079538986 3465898310 5198847465 10397694930 143438677201 286877354402 430316031603 717193386005 860632063206 1004070740407 1434386772010 2008141480814 2151580158015 3012212221221 4303160316030 5020353702035 6024424442442 10040707404070 15061061106105 30122122212210