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53159202725 = 52171953223557
BaseRepresentation
bin110001100000100010…
…010000111110100101
312002012202102022001012
4301200202100332211
51332332223441400
640230534112005
73561222524216
oct614042207645
9162182368035
1053159202725
11205a9a908a2
12a376aab605
135022425b55
14280413940d
1515b1dd4d35
hexc60890fa5

53159202725 has 96 divisors (see below), whose sum is σ = 75325178880. Its totient is φ = 36970352640.

The previous prime is 53159202641. The next prime is 53159202727. The reversal of 53159202725 is 52720295135.

It is not a de Polignac number, because 53159202725 - 214 = 53159186341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53159202727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 95438147 + ... + 95438703.

It is an arithmetic number, because the mean of its divisors is an integer number (784637280).

Almost surely, 253159202725 is an apocalyptic number.

It is an amenable number.

53159202725 is a deficient number, since it is larger than the sum of its proper divisors (22165976155).

53159202725 is a wasteful number, since it uses less digits than its factorization.

53159202725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 53159202725 in words is "fifty-three billion, one hundred fifty-nine million, two hundred two thousand, seven hundred twenty-five".

Divisors: 1 5 17 19 25 53 85 95 223 265 323 425 475 557 901 1007 1115 1325 1615 2785 3791 4237 4505 5035 5575 8075 9469 10583 11819 13925 17119 18955 21185 22525 25175 29521 47345 52915 59095 72029 85595 94775 105925 124211 147605 179911 200923 224561 236725 264575 295475 360145 427975 501857 560899 621055 738025 899555 1004615 1122805 1800725 2111587 2360009 2509285 2804495 3105275 3817537 4497775 5023075 5614025 6583183 9535283 10557935 11800045 12546425 14022475 19087685 32915915 40120153 47676415 52789675 59000225 95438425 111914111 125080477 164579575 200600765 238382075 559570555 625402385 1003003825 2126368109 2797852775 3127011925 10631840545 53159202725