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512031012 = 223371153223
BaseRepresentation
bin11110100001001…
…111100100100100
31022200110212111120
4132201033210210
52022034443022
6122450333540
715455122533
oct3641174444
91280425446
10512031012
11243034529
1212358a2b0
138210823c
144c00831a
152ee42d5c
hex1e84f924

512031012 has 24 divisors (see below), whose sum is σ = 1227030336. Its totient is φ = 166063968.

The previous prime is 512030977. The next prime is 512031029. The reversal of 512031012 is 210130215.

It is a junction number, because it is equal to n+sod(n) for n = 512030982 and 512031000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576168 + ... + 577055.

It is an arithmetic number, because the mean of its divisors is an integer number (51126264).

Almost surely, 2512031012 is an apocalyptic number.

It is an amenable number.

512031012 is an abundant number, since it is smaller than the sum of its proper divisors (714999324).

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

512031012 is a wasteful number, since it uses less digits than its factorization.

512031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153267 (or 1153265 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 512031012 is about 22628.1022624523. The cubic root of 512031012 is about 800.0161517572.

Adding to 512031012 its reverse (210130215), we get a palindrome (722161227).

The spelling of 512031012 in words is "five hundred twelve million, thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 1153223 2306446 3459669 4612892 6919338 13838676 42669251 85338502 128007753 170677004 256015506 512031012