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66524750344 = 23132394312479
BaseRepresentation
bin111101111101001011…
…110010001000001000
320100201020001110120101
4331331023302020020
52042220314002334
650321104135144
74543355022313
oct757513621010
9210636043511
1066524750344
112623853a618
1210a870074b4
136372465700
14331125b97a
151ae5492214
hexf7d2f2208

66524750344 has 48 divisors (see below), whose sum is σ = 135111974400. Its totient is φ = 30693484224.

The previous prime is 66524750339. The next prime is 66524750377. The reversal of 66524750344 is 44305742566.

66524750344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66524750294 and 66524750303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5324697 + ... + 5337175.

It is an arithmetic number, because the mean of its divisors is an integer number (2814832800).

Almost surely, 266524750344 is an apocalyptic number.

It is an amenable number.

66524750344 is an abundant number, since it is smaller than the sum of its proper divisors (68587224056).

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

66524750344 is a wasteful number, since it uses less digits than its factorization.

66524750344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454 (or 16437 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 66524750344 in words is "sixty-six billion, five hundred twenty-four million, seven hundred fifty thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 3943 7886 12479 15772 24958 31544 49916 51259 99832 102518 162227 205036 324454 410072 648908 666367 1297816 1332734 2108951 2665468 4217902 5330936 8435804 16871608 49204697 98409394 196818788 393637576 639661061 1279322122 2558644244 5117288488 8315593793 16631187586 33262375172 66524750344