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472745831853109 = 43131263359888869
BaseRepresentation
bin110101101111101011011011…
…1011000000110110000110101
32021222212001121211221111122111
41223133112313120012300311
5443430431430423244414
64353240234220331021
7201401521263146113
oct15337266730066065
92258761554844574
10472745831853109
111276a4421693851
12450313866a3a71
13173a29822c0359
1484a503db90ab3
15399c30d6628c4
hex1adf5b7606c35

472745831853109 has 32 divisors (see below), whose sum is σ = 490649413478400. Its totient is φ = 455212555586880.

The previous prime is 472745831853089. The next prime is 472745831853157. The reversal of 472745831853109 is 901358138547274.

It is not a de Polignac number, because 472745831853109 - 25 = 472745831853077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472745831853179) 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, 531406527 + ... + 532295395.

It is an arithmetic number, because the mean of its divisors is an integer number (15332794171200).

Almost surely, 2472745831853109 is an apocalyptic number.

It is an amenable number.

472745831853109 is a deficient number, since it is larger than the sum of its proper divisors (17903581625291).

472745831853109 is a wasteful number, since it uses less digits than its factorization.

472745831853109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889665.

The product of its (nonzero) digits is 203212800, while the sum is 67.

The spelling of 472745831853109 in words is "four hundred seventy-two trillion, seven hundred forty-five billion, eight hundred thirty-one million, eight hundred fifty-three thousand, one hundred nine".

Divisors: 1 43 131 263 359 5633 11309 15437 34453 47029 94417 888869 1481479 2022247 4059931 12368627 38221367 116441839 233772547 319103971 531850961 5006999077 10052219521 13721470753 30624203657 41802620201 83924344373 1316840757251 1797512668643 3608746808039 10994089112863 472745831853109