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30216370806 = 2321678687267
BaseRepresentation
bin11100001001000010…
…010011101001110110
32212222211102200022200
4130021002103221312
5443340342331211
621514201405330
72116534625346
oct341102235166
985884380280
1030216370806
11118a6398686
125a33499846
132b0716196b
14166908cd26
15bbcb18b56
hex709093a76

30216370806 has 12 divisors (see below), whose sum is σ = 65468803452. Its totient is φ = 10072123596.

The previous prime is 30216370763. The next prime is 30216370817. The reversal of 30216370806 is 60807361203.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839343616 + ... + 839343651.

It is an arithmetic number, because the mean of its divisors is an integer number (5455733621).

Almost surely, 230216370806 is an apocalyptic number.

30216370806 is an abundant number, since it is smaller than the sum of its proper divisors (35252432646).

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

30216370806 is a wasteful number, since it uses less digits than its factorization.

30216370806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678687275 (or 1678687272 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 30216370806 in words is "thirty billion, two hundred sixteen million, three hundred seventy thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 1678687267 3357374534 5036061801 10072123602 15108185403 30216370806