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53030453240 = 2352379729643
BaseRepresentation
bin110001011000110111…
…000111111111111000
312001212210011010221202
4301120313013333320
51332101244000430
640210054353332
73555100262252
oct613067077770
9161783133852
1053030453240
1120543343466
12a33b95b848
13500185761b
1427d0dc2cd2
1515a5951d45
hexc58dc7ff8

53030453240 has 64 divisors (see below), whose sum is σ = 126082483200. Its totient is φ = 20033050752.

The previous prime is 53030453233. The next prime is 53030453243. The reversal of 53030453240 is 4235403035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53030453243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292142 + ... + 437501.

It is an arithmetic number, because the mean of its divisors is an integer number (1970038800).

Almost surely, 253030453240 is an apocalyptic number.

It is an amenable number.

53030453240 is an abundant number, since it is smaller than the sum of its proper divisors (73052029960).

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

53030453240 is a wasteful number, since it uses less digits than its factorization.

53030453240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729756 (or 729752 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 53030453240 its reverse (4235403035), we get a palindrome (57265856275).

The spelling of 53030453240 in words is "fifty-three billion, thirty million, four hundred fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 79 92 115 158 184 230 316 395 460 632 790 920 1580 1817 3160 3634 7268 9085 14536 18170 36340 72680 729643 1459286 2918572 3648215 5837144 7296430 14592860 16781789 29185720 33563578 57641797 67127156 83908945 115283594 134254312 167817890 230567188 288208985 335635780 461134376 576417970 671271560 1152835940 1325761331 2305671880 2651522662 5303045324 6628806655 10606090648 13257613310 26515226620 53030453240