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30148669125 = 335317525467
BaseRepresentation
bin11100000101000000…
…000010111011000101
32212211010001002002000
4130011000002323011
5443221024403000
621503342335513
72115053313351
oct340500027305
985733032060
1030148669125
1111871157383
125a1488a599
132ac61192b3
1416600a8461
15bb6be4000
hex705002ec5

30148669125 has 64 divisors (see below), whose sum is σ = 59020565760. Its totient is φ = 15133420800.

The previous prime is 30148669087. The next prime is 30148669129. The reversal of 30148669125 is 52196684103.

It is a de Polignac number, because none of the positive numbers 2k-30148669125 is a prime.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148669129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205359 + ... + 320108.

It is an arithmetic number, because the mean of its divisors is an integer number (922196340).

Almost surely, 230148669125 is an apocalyptic number.

It is an amenable number.

30148669125 is a deficient number, since it is larger than the sum of its proper divisors (28871896635).

30148669125 is a wasteful number, since it uses less digits than its factorization.

30148669125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525508 (or 525492 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 30148669125 in words is "thirty billion, one hundred forty-eight million, six hundred sixty-nine thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 27 45 51 75 85 125 135 153 225 255 375 425 459 675 765 1125 1275 2125 2295 3375 3825 6375 11475 19125 57375 525467 1576401 2627335 4729203 7882005 8932939 13136675 14187609 23646015 26798817 39410025 44664695 65683375 70938045 80396451 118230075 133994085 197050125 223323475 241189353 354690225 401982255 591150375 669970425 1116617375 1205946765 1773451125 2009911275 3349852125 6029733825 10049556375 30148669125