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1378759384442 = 21162670881111
BaseRepresentation
bin10100000100000100011…
…101101001110101111010
311212210211010000201121202
4110010010131221311322
5140042144400300232
62533220542334202
7201416641254116
oct24040435516572
94783733021552
101378759384442
11491801801460
121a326788a362
13a002a1b6cbb
144aa37660746
1525ce8534162
hex14104769d7a

1378759384442 has 8 divisors (see below), whose sum is σ = 2256151720032. Its totient is φ = 626708811100.

The previous prime is 1378759384441. The next prime is 1378759384463. The reversal of 1378759384442 is 2444839578731.

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 (1378759384441) 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, 31335440534 + ... + 31335440577.

It is an arithmetic number, because the mean of its divisors is an integer number (282018965004).

Almost surely, 21378759384442 is an apocalyptic number.

1378759384442 is a deficient number, since it is larger than the sum of its proper divisors (877392335590).

1378759384442 is a wasteful number, since it uses less digits than its factorization.

1378759384442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62670881124.

The product of its digits is 162570240, while the sum is 65.

The spelling of 1378759384442 in words is "one trillion, three hundred seventy-eight billion, seven hundred fifty-nine million, three hundred eighty-four thousand, four hundred forty-two".

Divisors: 1 2 11 22 62670881111 125341762222 689379692221 1378759384442