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53488939689137 = 353197376800173
BaseRepresentation
bin11000010100101110111010…
…01111111110010010110001
321000101111022011201020122102
430022113131033332102301
524002330322030023022
6305432251335150145
714160306534441401
oct1412273517762261
9230344264636572
1053488939689137
1116052594000a87
125bba621815355
1323acca6b1a9b4
14d2cc42834801
1562b583ed2a92
hex30a5dd3fe4b1

53488939689137 has 8 divisors (see below), whose sum is σ = 53667654390504. Its totient is φ = 53310378592768.

The previous prime is 53488939689091. The next prime is 53488939689149. The reversal of 53488939689137 is 73198693988435.

It can be written as a sum of positive squares in 4 ways, for example, as 10887419552881 + 42601520136256 = 3299609^2 + 6526984^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53488939689137 is a prime.

It is a super-2 number, since 2×534889396891372 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53488939689637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37703618 + ... + 39096555.

It is an arithmetic number, because the mean of its divisors is an integer number (6708456798813).

Almost surely, 253488939689137 is an apocalyptic number.

It is an amenable number.

53488939689137 is a deficient number, since it is larger than the sum of its proper divisors (178714701367).

53488939689137 is a wasteful number, since it uses less digits than its factorization.

53488939689137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76802499.

The product of its digits is 8465264640, while the sum is 83.

The spelling of 53488939689137 in words is "fifty-three trillion, four hundred eighty-eight billion, nine hundred thirty-nine million, six hundred eighty-nine thousand, one hundred thirty-seven".

Divisors: 1 353 1973 696469 76800173 27110461069 151526741329 53488939689137