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30353657852 = 2271084059209
BaseRepresentation
bin11100010001001110…
…000000111111111100
32220100101202120202002
4130101032000333330
5444131014022402
621535544121432
72123122556210
oct342116007774
986311676662
1030353657852
1111966937451
125a71466278
132b2972c1bb
14167d3c8940
15bc9bd6602
hex711380ffc

30353657852 has 12 divisors (see below), whose sum is σ = 60707315760. Its totient is φ = 13008710496.

The previous prime is 30353657849. The next prime is 30353657857. The reversal of 30353657852 is 25875635303.

30353657852 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30353657797 and 30353657806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30353657857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542029577 + ... + 542029632.

It is an arithmetic number, because the mean of its divisors is an integer number (5058942980).

Almost surely, 230353657852 is an apocalyptic number.

It is an amenable number.

30353657852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30353657852 is a wasteful number, since it uses less digits than its factorization.

30353657852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084059220 (or 1084059218 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 30353657852 in words is "thirty billion, three hundred fifty-three million, six hundred fifty-seven thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 1084059209 2168118418 4336236836 7588414463 15176828926 30353657852