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30221000334 = 23271714108777
BaseRepresentation
bin11100001001010011…
…111101111010001110
32220000011010212211200
4130021103331322032
5443343034002314
621514444530330
72116622156460
oct341123757216
986004125750
1030221000334
11118a8a6a938
125a34b509a6
132b080c2c25
141669936130
15bbd230709
hex7094fde8e

30221000334 has 48 divisors (see below), whose sum is σ = 79234897248. Its totient is φ = 8126654976.

The previous prime is 30221000333. The next prime is 30221000339. The reversal of 30221000334 is 43300012203.

It is a super-2 number, since 2×302210003342 (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221000333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7052247 + ... + 7056530.

It is an arithmetic number, because the mean of its divisors is an integer number (1650727026).

Almost surely, 230221000334 is an apocalyptic number.

30221000334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30221000334 is an abundant number, since it is smaller than the sum of its proper divisors (49013896914).

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

30221000334 is a wasteful number, since it uses less digits than its factorization.

30221000334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108809 (or 14108806 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30221000334 its reverse (43300012203), we get a palindrome (73521012537).

The spelling of 30221000334 in words is "thirty billion, two hundred twenty-one million, three hundred thirty-four", and thus it is an aban number.

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 14108777 28217554 42326331 84652662 98761439 126978993 197522878 239849209 253957986 296284317 479698418 592568634 719547627 888852951 1439095254 1678944463 1777705902 2158642881 3357888926 4317285762 5036833389 10073666778 15110500167 30221000334