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12575508030 = 2325503277789
BaseRepresentation
bin10111011011000111…
…10000011000111110
31012110102000222221200
423231203300120332
5201223312224110
65435504440330
7623430024501
oct135543603076
935412028850
1012575508030
115373601348
12252b6190a6
131255466517
1487422b138
154d90516c0
hex2ed8f063e

12575508030 has 48 divisors (see below), whose sum is σ = 32761441440. Its totient is φ = 3346789824.

The previous prime is 12575508013. The next prime is 12575508041. The reversal of 12575508030 is 3080557521.

12575508030 is a `hidden beast` number, since 1 + 2 + 575 + 5 + 0 + 80 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93625 + ... + 184164.

It is an arithmetic number, because the mean of its divisors is an integer number (682530030).

Almost surely, 212575508030 is an apocalyptic number.

12575508030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12575508030 is an abundant number, since it is smaller than the sum of its proper divisors (20185933410).

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

12575508030 is a wasteful number, since it uses less digits than its factorization.

12575508030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278305 (or 278302 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 12575508030 in words is "twelve billion, five hundred seventy-five million, five hundred eight thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 503 1006 1509 2515 3018 4527 5030 7545 9054 15090 22635 45270 277789 555578 833367 1388945 1666734 2500101 2777890 4166835 5000202 8333670 12500505 25001010 139727867 279455734 419183601 698639335 838367202 1257550803 1397278670 2095918005 2515101606 4191836010 6287754015 12575508030