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52525451144 = 2353739071871
BaseRepresentation
bin110000111010110000…
…101100011110001000
312000120120220101022102
4300322300230132020
51330033003414034
640044014412532
73536425653035
oct607260543610
9160516811272
1052525451144
112030427a961
12a21a801148
134c5104080a
142783cc838c
15157644b97e
hexc3ac2c788

52525451144 has 64 divisors (see below), whose sum is σ = 101884573440. Its totient is φ = 25372638720.

The previous prime is 52525451129. The next prime is 52525451161. The reversal of 52525451144 is 44115452525.

It is a super-4 number, since 4×525254511444 (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52525451098 and 52525451107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28072529 + ... + 28074399.

It is an arithmetic number, because the mean of its divisors is an integer number (1591946460).

Almost surely, 252525451144 is an apocalyptic number.

It is an amenable number.

52525451144 is a deficient number, since it is larger than the sum of its proper divisors (49359122296).

52525451144 is a wasteful number, since it uses less digits than its factorization.

52525451144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2906 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The spelling of 52525451144 in words is "fifty-two billion, five hundred twenty-five million, four hundred fifty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 53 73 106 146 212 292 424 584 907 1814 1871 3628 3742 3869 7256 7484 7738 14968 15476 30952 48071 66211 96142 99163 132422 136583 192284 198326 264844 273166 384568 396652 529688 546332 793304 1092664 1696997 3393994 3509183 6787988 7018366 7238899 13575976 14036732 14477798 28073464 28955596 57911192 89940841 123880781 179881682 247761562 359763364 495523124 719526728 991046248 6565681393 13131362786 26262725572 52525451144