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52173145607531 = 13435311091587917
BaseRepresentation
bin10111101110011100000011…
…10011111000110101101011
320211201201000020000022112212
423313032001303320311223
523314301100233420111
6302544002345355335
713663246120333604
oct1367160163706553
9224651006008485
1052173145607531
11156955635a9593
125a27608a98b4b
132315ba2817450
14cc529d7dadab
156072236de98b
hex2f7381cf8d6b

52173145607531 has 32 divisors (see below), whose sum is σ = 58630759830720. Its totient is φ = 46110641601024.

The previous prime is 52173145607497. The next prime is 52173145607551. The reversal of 52173145607531 is 13570654137125.

It is not a de Polignac number, because 52173145607531 - 210 = 52173145606507 is a prime.

It is a super-2 number, since 2×521731456075312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52173145607531.

It is not an unprimeable number, because it can be changed into a prime (52173145607551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32062385 + ... + 33650301.

It is an arithmetic number, because the mean of its divisors is an integer number (1832211244710).

Almost surely, 252173145607531 is an apocalyptic number.

52173145607531 is a deficient number, since it is larger than the sum of its proper divisors (6457614223189).

52173145607531 is a wasteful number, since it uses less digits than its factorization.

52173145607531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589135.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 52173145607531 in words is "fifty-two trillion, one hundred seventy-three billion, one hundred forty-five million, six hundred seven thousand, five hundred thirty-one".

Divisors: 1 13 43 53 559 689 1109 2279 14417 29627 47687 58777 619931 764101 1587917 2527411 20642921 32856343 68280431 84159601 887645603 1094074813 1760999953 3618862843 22892999389 47045216959 75722997979 93332997509 984398973727 1213328967617 4013318892887 52173145607531