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64485122042 = 21129101073859
BaseRepresentation
bin111100000011100111…
…001101111111111010
320011110002010121112102
4330003213031333322
52024031142401132
645342443543402
74442000331155
oct740347157772
9204402117472
1064485122042
11253911966a0
12105b7b2ab62
136108a24a63
14319a408c9c
151a263a2c62
hexf039cdffa

64485122042 has 16 divisors (see below), whose sum is σ = 109159768800. Its totient is φ = 28300680240.

The previous prime is 64485122027. The next prime is 64485122047. The reversal of 64485122042 is 24022158446.

It is a junction number, because it is equal to n+sod(n) for n = 64485121987 and 64485122005.

It is not an unprimeable number, because it can be changed into a prime (64485122047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50536292 + ... + 50537567.

It is an arithmetic number, because the mean of its divisors is an integer number (6822485550).

Almost surely, 264485122042 is an apocalyptic number.

64485122042 is a deficient number, since it is larger than the sum of its proper divisors (44674646758).

64485122042 is a wasteful number, since it uses less digits than its factorization.

64485122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101073901.

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 64485122042 in words is "sixty-four billion, four hundred eighty-five million, one hundred twenty-two thousand, forty-two".

Divisors: 1 2 11 22 29 58 319 638 101073859 202147718 1111812449 2223624898 2931141911 5862283822 32242561021 64485122042