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512055124530 = 235374357718593
BaseRepresentation
bin1110111001110001101…
…11010010001000110010
31210221201000001111020020
413130320313102020302
531342142102441110
61031122422224310
751665126513115
oct7347067221062
91727630044206
10512055124530
1118818584aa34
12832a6285096
1339395843361
141aad82b057c
15d4be141d70
hex7738dd2232

512055124530 has 128 divisors (see below), whose sum is σ = 1293806815488. Its totient is φ = 129535967232.

The previous prime is 512055124517. The next prime is 512055124531. The reversal of 512055124530 is 35421550215.

It is a junction number, because it is equal to n+sod(n) for n = 512055124491 and 512055124500.

It is not an unprimeable number, because it can be changed into a prime (512055124531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27530914 + ... + 27549506.

It is an arithmetic number, because the mean of its divisors is an integer number (10107865746).

Almost surely, 2512055124530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512055124530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646903407744).

512055124530 is an abundant number, since it is smaller than the sum of its proper divisors (781751690958).

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

512055124530 is a wasteful number, since it uses less digits than its factorization.

512055124530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 512055124530 its reverse (35421550215), we get a palindrome (547476674745).

The spelling of 512055124530 in words is "five hundred twelve billion, fifty-five million, one hundred twenty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 43 74 86 111 129 185 215 222 258 370 430 555 577 645 1110 1154 1290 1591 1731 2885 3182 3462 4773 5770 7955 8655 9546 15910 17310 18593 21349 23865 24811 37186 42698 47730 49622 55779 64047 74433 92965 106745 111558 124055 128094 148866 185930 213490 248110 278895 320235 372165 557790 640470 687941 744330 799499 918007 1375882 1598998 1836014 2063823 2398497 2754021 3439705 3997495 4127646 4590035 4796994 5508042 6879410 7994990 9180070 10319115 10728161 11992485 13770105 20638230 21456322 23984970 27540210 29581463 32184483 53640805 59162926 64368966 88744389 107281610 147907315 160922415 177488778 295814630 321844830 396941957 443721945 461310923 793883914 887443890 922621846 1190825871 1383932769 1984709785 2306554615 2381651742 2767865538 3969419570 4613109230 5954129355 6919663845 11908258710 13839327690 17068504151 34137008302 51205512453 85342520755 102411024906 170685041510 256027562265 512055124530