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142493658026 = 2472775472527
BaseRepresentation
bin1000010010110101001…
…0001010101110101010
3111121210121221211110212
42010231102022232222
54313311334024101
6145243301341122
713203061052216
oct2045522125652
9447717854425
10142493658026
1155481a56345
1223748a077a2
131058b3b08a5
146c7a8ab946
153a8eae81bb
hex212d48abaa

142493658026 has 16 divisors (see below), whose sum is σ = 219076240896. Its totient is φ = 69479190096.

The previous prime is 142493658007. The next prime is 142493658071. The reversal of 142493658026 is 620856394241.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2710226 + ... + 2762301.

It is an arithmetic number, because the mean of its divisors is an integer number (13692265056).

Almost surely, 2142493658026 is an apocalyptic number.

142493658026 is a deficient number, since it is larger than the sum of its proper divisors (76582582870).

142493658026 is a wasteful number, since it uses less digits than its factorization.

142493658026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472853.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 142493658026 in words is "one hundred forty-two billion, four hundred ninety-three million, six hundred fifty-eight thousand, twenty-six".

Divisors: 1 2 47 94 277 554 13019 26038 5472527 10945054 257208769 514417538 1515889979 3031779958 71246829013 142493658026