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30122223300 = 22345213286061
BaseRepresentation
bin11100000011011011…
…001010011011000100
32212202021021111020000
4130003123022123010
5443142242121200
621500555441300
72114312450001
oct340333123304
985667244200
1030122223300
1111858234224
125a07a56230
132ac07b9c90
14165a7828a8
15bb471d300
hex7036ca6c4

30122223300 has 180 divisors, whose sum is σ = 105155819076. Its totient is φ = 7414675200.

The previous prime is 30122223277. The next prime is 30122223317. The reversal of 30122223300 is 332222103.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3309470784 + 26812752516 = 57528^2 + 163746^2 .

It is a tau number, because it is divible by the number of its divisors (180).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37731 + ... + 248330.

Almost surely, 230122223300 is an apocalyptic number.

30122223300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30122223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52577909538).

30122223300 is an abundant number, since it is smaller than the sum of its proper divisors (75033595776).

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

30122223300 is a wasteful number, since it uses less digits than its factorization.

30122223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286100 (or 286084 counting only the distinct ones).

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

Adding to 30122223300 its reverse (332222103), we get a palindrome (30454445403).

The spelling of 30122223300 in words is "thirty billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred".