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64552305884 = 22116779277177
BaseRepresentation
bin111100000111100111…
…100000010011011100
320011121202112220102212
4330013213200103130
52024200342242014
645353243535552
74443444355343
oct740747402334
9204552486385
1064552305884
1125416103930
121061652a5b8
136119918801
1431a52d6b5a
151a2c22423e
hexf079e04dc

64552305884 has 48 divisors (see below), whose sum is σ = 126659258880. Its totient is φ = 28538040960.

The previous prime is 64552305863. The next prime is 64552305893. The reversal of 64552305884 is 48850325546.

64552305884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94304 + ... + 371480.

It is an arithmetic number, because the mean of its divisors is an integer number (2638734560).

Almost surely, 264552305884 is an apocalyptic number.

It is an amenable number.

64552305884 is a deficient number, since it is larger than the sum of its proper divisors (62106952996).

64552305884 is a wasteful number, since it uses less digits than its factorization.

64552305884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277338 (or 277336 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 64552305884 in words is "sixty-four billion, five hundred fifty-two million, three hundred five thousand, eight hundred eighty-four".

Divisors: 1 2 4 11 22 44 67 79 134 158 268 316 737 869 1474 1738 2948 3476 5293 10586 21172 58223 116446 232892 277177 554354 1108708 3048947 6097894 12195788 18570859 21896983 37141718 43793966 74283436 87587932 204279449 240866813 408558898 481733626 817117796 963467252 1467097861 2934195722 5868391444 16138076471 32276152942 64552305884