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1457142439994 = 21096684139633
BaseRepresentation
bin10101001101000100011…
…101010010000000111010
312011022010202120111211022
4111031010131102000322
5142333211431034434
63033222455302442
7210163230244013
oct25150435220072
95138122514738
101457142439994
11511a74a1320a
121b64a207aa22
13a753c332647
145075177400a
1527d84aa822e
hex1534475203a

1457142439994 has 8 divisors (see below), whose sum is σ = 2205766079220. Its totient is φ = 721887080256.

The previous prime is 1457142439943. The next prime is 1457142439999. The reversal of 1457142439994 is 4999342417541.

It can be written as a sum of positive squares in 2 ways, for example, as 1421309842969 + 35832597025 = 1192187^2 + 189295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1457142439999) 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, 3342069599 + ... + 3342070034.

Almost surely, 21457142439994 is an apocalyptic number.

1457142439994 is a deficient number, since it is larger than the sum of its proper divisors (748623639226).

1457142439994 is a wasteful number, since it uses less digits than its factorization.

1457142439994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684139744.

The product of its digits is 39191040, while the sum is 62.

The spelling of 1457142439994 in words is "one trillion, four hundred fifty-seven billion, one hundred forty-two million, four hundred thirty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 109 218 6684139633 13368279266 728571219997 1457142439994