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30221420022 = 23259106126821
BaseRepresentation
bin11100001001010101…
…100100010111110110
32220000011221012112200
4130021111210113312
5443343140420042
621514501525330
72116625555163
oct341125442766
986004835480
1030221420022
11118a9227192
125a35113846
132b0820bc71
141669a0506a
15bbd2b4c4c
hex7095645f6

30221420022 has 48 divisors (see below), whose sum is σ = 66654815760. Its totient is φ = 9893361600.

The previous prime is 30221420017. The next prime is 30221420041. The reversal of 30221420022 is 22002412203.

30221420022 is a `hidden beast` number, since 3 + 0 + 221 + 420 + 0 + 22 = 666.

It is a super-2 number, since 2×302214200222 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30221419977 and 30221420004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113372 + ... + 1140192.

It is an arithmetic number, because the mean of its divisors is an integer number (1388641995).

Almost surely, 230221420022 is an apocalyptic number.

30221420022 is an abundant number, since it is smaller than the sum of its proper divisors (36433395738).

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

30221420022 is a wasteful number, since it uses less digits than its factorization.

30221420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27949 (or 27946 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 30221420022 its reverse (22002412203), we get a palindrome (52223832225).

The spelling of 30221420022 in words is "thirty billion, two hundred twenty-one million, four hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1061 1062 2122 3183 6366 9549 19098 26821 53642 62599 80463 125198 160926 187797 241389 375594 482778 563391 1126782 1582439 3164878 4747317 9494634 14241951 28457081 28483902 56914162 85371243 170742486 256113729 512227458 1678967779 3357935558 5036903337 10073806674 15110710011 30221420022