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63945086142 = 2372217500293
BaseRepresentation
bin111011100011011011…
…001001010010111110
320010001102221221112210
4323203123021102332
52021424420224032
645213113041250
74422422156400
oct734333112276
9203042857483
1063945086142
1125134374733
12104870b6226
136050b929a2
1431487d0b70
1519e3c7c2cc
hexee36c94be

63945086142 has 24 divisors (see below), whose sum is σ = 148770201096. Its totient is φ = 18270024528.

The previous prime is 63945086141. The next prime is 63945086147. The reversal of 63945086142 is 24168054936.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63945086091 and 63945086100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63945086141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108749853 + ... + 108750440.

It is an arithmetic number, because the mean of its divisors is an integer number (6198758379).

Almost surely, 263945086142 is an apocalyptic number.

63945086142 is an abundant number, since it is smaller than the sum of its proper divisors (84825114954).

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

63945086142 is a wasteful number, since it uses less digits than its factorization.

63945086142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217500312 (or 217500305 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 63945086142 in words is "sixty-three billion, nine hundred forty-five million, eighty-six thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 217500293 435000586 652500879 1305001758 1522502051 3045004102 4567506153 9135012306 10657514357 21315028714 31972543071 63945086142