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30306669624 = 2332711217233141
BaseRepresentation
bin11100001110011010…
…110001010000111000
32220020010100100000100
4130032122301100320
5444032001411444
621531145035400
72122012304250
oct341632612070
986203310010
1030306669624
1111942363500
125a59785b60
132b1ca8990a
141677076960
15bc5a03e69
hex70e6b1438

30306669624 has 1152 divisors, whose sum is σ = 120464547840. Its totient is φ = 6690816000.

The previous prime is 30306669581. The next prime is 30306669629. The reversal of 30306669624 is 42696660303.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30306669624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30306669629) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 739187044 + ... + 739187084.

It is an arithmetic number, because the mean of its divisors is an integer number (104569920).

Almost surely, 230306669624 is an apocalyptic number.

30306669624 is a gapful number since it is divisible by the number (34) 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 30306669624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60232273920).

30306669624 is an abundant number, since it is smaller than the sum of its proper divisors (90157878216).

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

30306669624 is a wasteful number, since it uses less digits than its factorization.

30306669624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 30306669624 in words is "thirty billion, three hundred six million, six hundred sixty-nine thousand, six hundred twenty-four".