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53044252002 = 23372920532357
BaseRepresentation
bin110001011001101011…
…110000110101100010
312001220202010012022000
4301121223300311202
51332113312031002
640211310224430
73555325463010
oct613153606542
9161822105260
1053044252002
11205501086a5
12a3444b5116
135004679281
1427d2b758b0
1515a6c7a61c
hexc59af0d62

53044252002 has 128 divisors (see below), whose sum is σ = 139487961600. Its totient is φ = 14619564288.

The previous prime is 53044251991. The next prime is 53044252007. The reversal of 53044252002 is 20025244035.

It is a happy number.

53044252002 is a `hidden beast` number, since 5 + 30 + 4 + 425 + 200 + 2 = 666.

53044252002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53044252007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22503808 + ... + 22506164.

It is an arithmetic number, because the mean of its divisors is an integer number (1089749700).

Almost surely, 253044252002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53044252002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69743980800).

53044252002 is an abundant number, since it is smaller than the sum of its proper divisors (86443709598).

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

53044252002 is a wasteful number, since it uses less digits than its factorization.

53044252002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 53044252002 its reverse (20025244035), we get a palindrome (73069496037).

The spelling of 53044252002 in words is "fifty-three billion, forty-four million, two hundred fifty-two thousand, two".

Divisors: 1 2 3 6 7 9 14 18 21 27 29 42 54 58 63 87 126 174 189 203 261 378 406 522 609 783 1218 1566 1827 2053 2357 3654 4106 4714 5481 6159 7071 10962 12318 14142 14371 16499 18477 21213 28742 32998 36954 42426 43113 49497 55431 59537 63639 68353 86226 98994 110862 119074 127278 129339 136706 148491 178611 205059 258678 296982 357222 388017 410118 416759 445473 478471 535833 615177 776034 833518 890946 956942 1071666 1230354 1250277 1435413 1607499 1845531 2500554 2870826 3214998 3691062 3750831 4306239 4838921 7501662 8612478 9677842 11252493 12918717 14516763 22504986 25837434 29033526 33872447 43550289 67744894 87100578 101617341 130650867 140328709 203234682 261301734 280657418 304852023 420986127 609704046 841972254 914556069 982300963 1262958381 1829112138 1964601926 2525916762 2946902889 3788875143 5893805778 7577750286 8840708667 17681417334 26522126001 53044252002