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30220165124 = 22171693262501
BaseRepresentation
bin11100001001010000…
…110010000000000100
32220000002120110010222
4130021100302000010
5443342330240444
621514415003512
72116612110452
oct341120620004
986002513128
1030220165124
11118a854a386
125a34809598
132b07b8ca16
1416697999d2
15bbd117eee
hex709432004

30220165124 has 24 divisors (see below), whose sum is σ = 56029476888. Its totient is φ = 14212800000.

The previous prime is 30220165117. The next prime is 30220165163. The reversal of 30220165124 is 42156102203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14863998724 + 15356166400 = 121918^2 + 123920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30220165093 and 30220165102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16127 + ... + 246374.

It is an arithmetic number, because the mean of its divisors is an integer number (2334561537).

Almost surely, 230220165124 is an apocalyptic number.

30220165124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30220165124 is a deficient number, since it is larger than the sum of its proper divisors (25809311764).

30220165124 is a wasteful number, since it uses less digits than its factorization.

30220165124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264215 (or 264213 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 30220165124 its reverse (42156102203), we get a palindrome (72376267327).

The spelling of 30220165124 in words is "thirty billion, two hundred twenty million, one hundred sixty-five thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 1693 3386 6772 28781 57562 115124 262501 525002 1050004 4462517 8925034 17850068 444414193 888828386 1777656772 7555041281 15110082562 30220165124