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30219465228 = 22320411123379
BaseRepresentation
bin11100001001001110…
…000111001000001100
32220000001020220001220
4130021032013020030
5443342140341403
621514352003340
72116603134111
oct341116071014
986001226056
1030219465228
11118a8111557
125a34530550
132b079a6294
141669656908
15bbd02a953
hex70938720c

30219465228 has 24 divisors (see below), whose sum is σ = 70516111680. Its totient is φ = 10072579920.

The previous prime is 30219465187. The next prime is 30219465253. The reversal of 30219465228 is 82256491203.

It is a self number, because there is not a number n which added to its sum of digits gives 30219465228.

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, 183243 + ... + 306621.

It is an arithmetic number, because the mean of its divisors is an integer number (2938171320).

Almost surely, 230219465228 is an apocalyptic number.

It is an amenable number.

30219465228 is an abundant number, since it is smaller than the sum of its proper divisors (40296646452).

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

30219465228 is a wasteful number, since it uses less digits than its factorization.

30219465228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143797 (or 143795 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 30219465228 in words is "thirty billion, two hundred nineteen million, four hundred sixty-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 20411 40822 61233 81644 122466 123379 244932 246758 370137 493516 740274 1480548 2518288769 5036577538 7554866307 10073155076 15109732614 30219465228