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51124252533424 = 2472392633725371
BaseRepresentation
bin10111001111111010010101…
…11010010110001010110000
320201000102122001122101022021
423213331022322112022300
523200104432122032144
6300422053554521224
713524414431322160
oct1347751272261260
9221012561571267
1051124252533424
1115320745826434
125898280896214
13226acc4c16135
14c8a5d9a865a0
155d9cd4886884
hex2e7f4ae962b0

51124252533424 has 80 divisors (see below), whose sum is σ = 113720688552960. Its totient is φ = 21810401948160.

The previous prime is 51124252533397. The next prime is 51124252533433. The reversal of 51124252533424 is 42433525242115.

It is a super-2 number, since 2×511242525334242 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70117459 + ... + 70842829.

It is an arithmetic number, because the mean of its divisors is an integer number (1421508606912).

Almost surely, 251124252533424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51124252533424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56860344276480).

51124252533424 is an abundant number, since it is smaller than the sum of its proper divisors (62596436019536).

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

51124252533424 is a wasteful number, since it uses less digits than its factorization.

51124252533424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728258 (or 728252 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

Adding to 51124252533424 its reverse (42433525242115), we get a palindrome (93557777775539).

The spelling of 51124252533424 in words is "fifty-one trillion, one hundred twenty-four billion, two hundred fifty-two million, five hundred thirty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 239 478 956 1673 1912 2633 3346 3824 5266 6692 10532 13384 18431 21064 26768 36862 42128 73724 147448 294896 629287 725371 1258574 1450742 2517148 2901484 4405009 5034296 5077597 5802968 8810018 10068592 10155194 11605936 17620036 20310388 35240072 40620776 70480144 81241552 173363669 346727338 693454676 1213545683 1386909352 1909901843 2427091366 2773818704 3819803686 4854182732 7639607372 9708365464 13369312901 15279214744 19416730928 26738625802 30558429488 53477251604 106954503208 213909006416 456466540477 912933080954 1825866161908 3195265783339 3651732323816 6390531566678 7303464647632 12781063133356 25562126266712 51124252533424