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64154834048 = 27895631569
BaseRepresentation
bin111011101111111011…
…010001010010000000
320010121001122020120202
4323233323101102000
52022342114142143
645250004424332
74430550043334
oct735773212200
9203531566522
1064154834048
1125231805408
12105253a80a8
136085480b86
1431685cd7c4
151a073aeab8
hexeefed1480

64154834048 has 32 divisors (see below), whose sum is σ = 129244531500. Its totient is φ = 31716990976.

The previous prime is 64154834041. The next prime is 64154834063. The reversal of 64154834048 is 84043845146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64154810944 + 23104 = 253288^2 + 152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 64154833993 and 64154834011.

It is not an unprimeable number, because it can be changed into a prime (64154834041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2804393 + ... + 2827176.

Almost surely, 264154834048 is an apocalyptic number.

It is an amenable number.

64154834048 is an abundant number, since it is smaller than the sum of its proper divisors (65089697452).

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

64154834048 is an equidigital number, since it uses as much as digits as its factorization.

64154834048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5631672 (or 5631660 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 64154834048 in words is "sixty-four billion, one hundred fifty-four million, eight hundred thirty-four thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 89 128 178 356 712 1424 2848 5696 11392 5631569 11263138 22526276 45052552 90105104 180210208 360420416 501209641 720840832 1002419282 2004838564 4009677128 8019354256 16038708512 32077417024 64154834048