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53244020312 = 2373747618963
BaseRepresentation
bin110001100101100101…
…110100011001011000
312002102200000110220022
4301211211310121120
51333020432122222
640243204050012
73563302463630
oct614545643130
9162380013808
1053244020312
112064295257a
12a39b393908
135036b81c82
1428114d76c0
1515b958b042
hexc65974658

53244020312 has 128 divisors (see below), whose sum is σ = 121646499840. Its totient is φ = 21371143680.

The previous prime is 53244020311. The next prime is 53244020341. The reversal of 53244020312 is 21302044235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53244020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5935943 + ... + 5944905.

It is an arithmetic number, because the mean of its divisors is an integer number (950363280).

Almost surely, 253244020312 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 53244020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60823249920).

53244020312 is an abundant number, since it is smaller than the sum of its proper divisors (68402479528).

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

53244020312 is a wasteful number, since it uses less digits than its factorization.

53244020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121 (or 9117 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 53244020312 its reverse (21302044235), we get a palindrome (74546064547).

The spelling of 53244020312 in words is "fifty-three billion, two hundred forty-four million, twenty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 37 47 56 61 74 94 122 148 188 244 259 296 329 376 427 488 518 658 854 1036 1316 1708 1739 2072 2257 2632 2867 3416 3478 4514 5734 6956 8963 9028 11468 12173 13912 15799 17926 18056 20069 22936 24346 31598 35852 40138 48692 62741 63196 71704 80276 97384 106079 125482 126392 160552 212158 250964 331631 421261 424316 501928 546743 663262 742553 842522 848632 1093486 1326524 1485106 1685044 2186972 2321417 2653048 2948827 2970212 3370088 3827201 4373944 4642834 5897654 5940424 7654402 9285668 11795308 15308804 15586657 18571336 20229491 23590616 25696921 30617608 31173314 40458982 51393842 62346628 80917964 102787684 109106599 124693256 141606437 161835928 179878447 205575368 218213198 283212874 359756894 436426396 566425748 719513788 872852792 950786077 1132851496 1439027576 1901572154 3803144308 6655502539 7606288616 13311005078 26622010156 53244020312