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53190489880 = 23511120887477
BaseRepresentation
bin110001100010011001…
…100111011100011000
312002021221021211221201
4301202121213130120
51332413231134010
640234012443544
73562052463343
oct614231473430
9162257254851
1053190489880
1120615710350
12a3854795b4
135028a5b968
14280836145a
1515b4a1523a
hexc62667718

53190489880 has 32 divisors (see below), whose sum is σ = 130558476240. Its totient is φ = 19341996160.

The previous prime is 53190489857. The next prime is 53190489881. The reversal of 53190489880 is 8898409135.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53190489881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60443299 + ... + 60444178.

Almost surely, 253190489880 is an apocalyptic number.

It is an amenable number.

53190489880 is an abundant number, since it is smaller than the sum of its proper divisors (77367986360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53190489880 is a wasteful number, since it uses less digits than its factorization.

53190489880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120887499 (or 120887495 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 53190489880 in words is "fifty-three billion, one hundred ninety million, four hundred eighty-nine thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 120887477 241774954 483549908 604437385 967099816 1208874770 1329762247 2417749540 2659524494 4835499080 5319048988 6648811235 10638097976 13297622470 26595244940 53190489880