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30542344236 = 22322929255119
BaseRepresentation
bin11100011100011101…
…110011000000101100
32220211112210211210200
4130130131303000230
51000022320003421
622010404233500
72130603433245
oct343435630054
986745724720
1030542344236
1111a533a2308
125b0469b890
132b59854a51
14169a4a3ccc
15bdb558726
hex71c77302c

30542344236 has 36 divisors (see below), whose sum is σ = 79866477600. Its totient is φ = 9829719648.

The previous prime is 30542344171. The next prime is 30542344243. The reversal of 30542344236 is 63244324503.

30542344236 is a `hidden beast` number, since 30 + 54 + 2 + 344 + 236 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30542344236.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14626516 + ... + 14628603.

Almost surely, 230542344236 is an apocalyptic number.

30542344236 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30542344236 is an abundant number, since it is smaller than the sum of its proper divisors (49324133364).

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

30542344236 is a wasteful number, since it uses less digits than its factorization.

30542344236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29255158 (or 29255153 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 30542344236 its reverse (63244324503), we get a palindrome (93786668739).

The spelling of 30542344236 in words is "thirty billion, five hundred forty-two million, three hundred forty-four thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 29255119 58510238 87765357 117020476 175530714 263296071 351061428 526592142 848398451 1053184284 1696796902 2545195353 3393593804 5090390706 7635586059 10180781412 15271172118 30542344236