Search a number
-
+
30220435001220 = 2235907555318541
BaseRepresentation
bin1101101111100001111100…
…10010110000111110000100
310222000001020002001001201120
412313300332102300332010
512430112422330014340
6144135024242153540
76236232360110232
oct667607622607604
9128001202031646
1030220435001220
1196a1461793112
123480b0a6528b0
1313b2a0c2b0b09
14766969429952
153761822934d0
hex1b7c3e4b0f84

30220435001220 has 48 divisors (see below), whose sum is σ = 84710511670848. Its totient is φ = 8049897555840.

The previous prime is 30220435001147. The next prime is 30220435001221. The reversal of 30220435001220 is 2210053402203.

30220435001220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×302204350012202 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30220435001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277604851 + ... + 277713690.

It is an arithmetic number, because the mean of its divisors is an integer number (1764802326476).

Almost surely, 230220435001220 is an apocalyptic number.

30220435001220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30220435001220 is an abundant number, since it is smaller than the sum of its proper divisors (54490076669628).

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

30220435001220 is a wasteful number, since it uses less digits than its factorization.

30220435001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555319460 (or 555319458 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 30220435001220 its reverse (2210053402203), we get a palindrome (32430488403423).

The spelling of 30220435001220 in words is "thirty trillion, two hundred twenty billion, four hundred thirty-five million, one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 907 1814 2721 3628 4535 5442 9070 10884 13605 18140 27210 54420 555318541 1110637082 1665955623 2221274164 2776592705 3331911246 5553185410 6663822492 8329778115 11106370820 16659556230 33319112460 503673916687 1007347833374 1511021750061 2014695666748 2518369583435 3022043500122 5036739166870 6044087000244 7555108750305 10073478333740 15110217500610 30220435001220