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378064066519 = 3112195615049
BaseRepresentation
bin1011000000001100101…
…11111101011111010111
31100010211221020111021001
411200012113331133113
522143233400112034
6445402533004131
736212531354116
oct5400627753727
91303757214231
10378064066519
11136377344957
1261330a83647
1329860b5b249
1414426b3bc7d
159c7ac22a14
hex58065fd7d7

378064066519 has 4 divisors (see below), whose sum is σ = 390259681600. Its totient is φ = 365868451440.

The previous prime is 378064066517. The next prime is 378064066559. The reversal of 378064066519 is 915660460873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 915660460873 = 1439636317207.

It is a cyclic number.

It is not a de Polignac number, because 378064066519 - 21 = 378064066517 is a prime.

It is a super-2 number, since 2×3780640665192 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378064066519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378064066517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6097807494 + ... + 6097807555.

It is an arithmetic number, because the mean of its divisors is an integer number (97564920400).

Almost surely, 2378064066519 is an apocalyptic number.

378064066519 is a deficient number, since it is larger than the sum of its proper divisors (12195615081).

378064066519 is a wasteful number, since it uses less digits than its factorization.

378064066519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12195615080.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 378064066519 in words is "three hundred seventy-eight billion, sixty-four million, sixty-six thousand, five hundred nineteen".

Divisors: 1 31 12195615049 378064066519