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53144044312 = 2316693980231
BaseRepresentation
bin110001011111101000…
…011100001100011000
312002011200220011121111
4301133220130030120
51332314333404222
640225233150104
73560646631462
oct613750341430
9162150804544
1053144044312
11205a1478087
12a3719bb334
13501c249388
142802111132
1515b08dd777
hexc5fa1c318

53144044312 has 16 divisors (see below), whose sum is σ = 99704811600. Its totient is φ = 26556094560.

The previous prime is 53144044249. The next prime is 53144044313. The reversal of 53144044312 is 21344044135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53144044313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976764 + ... + 2003467.

It is an arithmetic number, because the mean of its divisors is an integer number (6231550725).

Almost surely, 253144044312 is an apocalyptic number.

It is an amenable number.

53144044312 is a deficient number, since it is larger than the sum of its proper divisors (46560767288).

53144044312 is a wasteful number, since it uses less digits than its factorization.

53144044312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981906 (or 3981902 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 53144044312 its reverse (21344044135), we get a palindrome (74488088447).

The spelling of 53144044312 in words is "fifty-three billion, one hundred forty-four million, forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 1669 3338 6676 13352 3980231 7960462 15920924 31841848 6643005539 13286011078 26572022156 53144044312