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512225130011252 = 22747389228822197
BaseRepresentation
bin111010001110111011011010…
…0111010110101101001110100
32111011122020121000111021102212
41310131312310322311221310
51014114244031240330002
65013224550505152552
7212615021141464220
oct16435666472655164
92434566530437385
10512225130011252
11139235504234209
12495487b378b758
1318ca7812829888
14906bb85867780
153e34240097352
hex1d1ddb4eb5a74

512225130011252 has 24 divisors (see below), whose sum is σ = 1046247074068224. Its totient is φ = 214854309852192.

The previous prime is 512225130011219. The next prime is 512225130011261. The reversal of 512225130011252 is 252110031522215.

It is a super-3 number, since 3×5122251300112523 (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194614409783 + ... + 194614412414.

It is an arithmetic number, because the mean of its divisors is an integer number (43593628086176).

Almost surely, 2512225130011252 is an apocalyptic number.

It is an amenable number.

512225130011252 is an abundant number, since it is smaller than the sum of its proper divisors (534021944056972).

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

512225130011252 is a wasteful number, since it uses less digits than its factorization.

512225130011252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389228822255 (or 389228822253 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 512225130011252 its reverse (252110031522215), we get a palindrome (764335161533467).

The spelling of 512225130011252 in words is "five hundred twelve trillion, two hundred twenty-five billion, one hundred thirty million, eleven thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 389228822197 778457644394 1556915288788 2724601755379 5449203510758 10898407021516 18293754643259 36587509286518 73175018573036 128056282502813 256112565005626 512225130011252