Search a number
-
+
53210505252 = 223191511818539
BaseRepresentation
bin110001100011100101…
…111110000000100100
312002100022221201212210
4301203211332000210
51332433342132002
640240005443420
73562414555242
oct614345760044
9162308851783
1053210505252
1120625a41183
12a390110570
13502cc49088
14280ac91792
1515b666a96c
hexc6397e024

53210505252 has 96 divisors (see below), whose sum is σ = 132300313600. Its totient is φ = 16597872000.

The previous prime is 53210505239. The next prime is 53210505277. The reversal of 53210505252 is 25250501235.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6227199 + ... + 6235737.

Almost surely, 253210505252 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 53210505252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66150156800).

53210505252 is an abundant number, since it is smaller than the sum of its proper divisors (79089808348).

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

53210505252 is a wasteful number, since it uses less digits than its factorization.

53210505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 53210505252 in words is "fifty-three billion, two hundred ten million, five hundred five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 151 181 228 302 362 453 543 604 724 906 1086 1812 2172 2869 3439 5738 6878 8539 8607 10317 11476 13756 17078 17214 20634 25617 27331 34156 34428 41268 51234 54662 81993 102468 109324 162241 163986 324482 327972 486723 519289 648964 973446 1038578 1289389 1545559 1557867 1946892 2077156 2578778 3091118 3115734 3868167 4636677 5157556 6182236 6231468 7736334 9273354 15472668 18546708 24498391 29365621 48996782 58731242 73495173 88096863 97993564 117462484 146990346 176193726 233379409 293980692 352387452 466758818 700138227 933517636 1400276454 2800552908 4434208771 8868417542 13302626313 17736835084 26605252626 53210505252