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53618712197997 = 3156001111456909
BaseRepresentation
bin11000011000100000101000…
…10010110011101101101101
321000211220021020120202002110
430030100110102303231231
524011442110310313442
6310012032450314233
714202552446532312
oct1414202422635555
9230756236522073
1053618712197997
11160a2628220701
12601b7ba288979
1323bc2b883118b
14d35233a02d09
1562eb2bdab69c
hex30c4144b3b6d

53618712197997 has 8 divisors (see below), whose sum is σ = 71491668331680. Its totient is φ = 35745782098160.

The previous prime is 53618712197923. The next prime is 53618712198011. The reversal of 53618712197997 is 79979121781635.

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

It is a cyclic number.

It is not a de Polignac number, because 53618712197997 - 211 = 53618712195949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53618712197497) 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, 1048422 + ... + 10408487.

It is an arithmetic number, because the mean of its divisors is an integer number (8936458541460).

Almost surely, 253618712197997 is an apocalyptic number.

It is an amenable number.

53618712197997 is a deficient number, since it is larger than the sum of its proper divisors (17872956133683).

53618712197997 is a wasteful number, since it uses less digits than its factorization.

53618712197997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016923.

The product of its digits is 360067680, while the sum is 75.

The spelling of 53618712197997 in words is "fifty-three trillion, six hundred eighteen billion, seven hundred twelve million, one hundred ninety-seven thousand, nine hundred ninety-seven".

Divisors: 1 3 1560011 4680033 11456909 34370727 17872904065999 53618712197997