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523047878460667 = 72915716411404677
BaseRepresentation
bin111011011101101011001001…
…0111111110000010011111011
32112120221212222222002020022101
41312323112102333300103323
51022024104023341220132
65052232513405004231
7215112651011442520
oct16673262277602373
92476855888066271
10523047878460667
111417283a561973a
124a7b6224253677
13195b1284857501
14932391c249147
154070a2049d7e7
hex1dbb592ff04fb

523047878460667 has 16 divisors (see below), whose sum is σ = 622320465389760. Its totient is φ = 430110093748608.

The previous prime is 523047878460641. The next prime is 523047878460691. The reversal of 523047878460667 is 766064878740325.

It is a de Polignac number, because none of the positive numbers 2k-523047878460667 is a prime.

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 523047878460667.

It is not an unprimeable number, because it can be changed into a prime (523047878460167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8205670468 + ... + 8205734209.

It is an arithmetic number, because the mean of its divisors is an integer number (38895029086860).

Almost surely, 2523047878460667 is an apocalyptic number.

523047878460667 is a deficient number, since it is larger than the sum of its proper divisors (99272586929093).

523047878460667 is a wasteful number, since it uses less digits than its factorization.

523047878460667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16411404870.

The product of its (nonzero) digits is 2275983360, while the sum is 73.

The spelling of 523047878460667 in words is "five hundred twenty-three trillion, forty-seven billion, eight hundred seventy-eight million, four hundred sixty thousand, six hundred sixty-seven".

Divisors: 1 7 29 157 203 1099 4553 31871 16411404677 114879832739 475930735633 2576590534289 3331515149431 18036133740023 74721125494381 523047878460667