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30221401012 = 2211686850023
BaseRepresentation
bin11100001001010101…
…011111101110110100
32220000011220020110121
4130021111133232310
5443343134313022
621514501301324
72116625445565
oct341125375664
986004806417
1030221401012
11118a9213980
125a35104844
132b0820340a
1416699dc16c
15bbd2ae2c7
hex70955fbb4

30221401012 has 12 divisors (see below), whose sum is σ = 57695402016. Its totient is φ = 13737000440.

The previous prime is 30221401003. The next prime is 30221401013. The reversal of 30221401012 is 21010412203.

It is a super-2 number, since 2×302214010122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221401013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343424968 + ... + 343425055.

It is an arithmetic number, because the mean of its divisors is an integer number (4807950168).

Almost surely, 230221401012 is an apocalyptic number.

It is an amenable number.

30221401012 is a deficient number, since it is larger than the sum of its proper divisors (27474001004).

30221401012 is a wasteful number, since it uses less digits than its factorization.

30221401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686850038 (or 686850036 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30221401012 its reverse (21010412203), we get a palindrome (51231813215).

The spelling of 30221401012 in words is "thirty billion, two hundred twenty-one million, four hundred one thousand, twelve".

Divisors: 1 2 4 11 22 44 686850023 1373700046 2747400092 7555350253 15110700506 30221401012