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53105415350 = 25213131623669
BaseRepresentation
bin110001011101010101…
…000101010010110110
312002002000012121122012
4301131111011102312
51332224441242400
640221333204222
73560000403551
oct613525052266
9162060177565
1053105415350
1120581693619
12a360a90672
1350142428c0
1427dad37698
1515ac30cd35
hexc5d5454b6

53105415350 has 48 divisors (see below), whose sum is σ = 107186420880. Its totient is φ = 19458441600.

The previous prime is 53105415301. The next prime is 53105415361. The reversal of 53105415350 is 5351450135.

53105415350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226685 + ... + 396984.

It is an arithmetic number, because the mean of its divisors is an integer number (2233050435).

Almost surely, 253105415350 is an apocalyptic number.

53105415350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53105415350 is an abundant number, since it is smaller than the sum of its proper divisors (54081005530).

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

53105415350 is a wasteful number, since it uses less digits than its factorization.

53105415350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623825 (or 623820 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 53105415350 its reverse (5351450135), we get a palindrome (58456865485).

The spelling of 53105415350 in words is "fifty-three billion, one hundred five million, four hundred fifteen thousand, three hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 131 262 325 650 655 1310 1703 3275 3406 6550 8515 17030 42575 85150 623669 1247338 3118345 6236690 8107697 15591725 16215394 31183450 40538485 81076970 81700639 163401278 202692425 405384850 408503195 817006390 1062108307 2042515975 2124216614 4085031950 5310541535 10621083070 26552707675 53105415350