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378963252813 = 3711779170201
BaseRepresentation
bin1011000001110111111…
…10000101011001001101
31100020011121012212222010
411200323332011121031
522202104043042223
6450032053411433
736244030333365
oct5407376053115
91306147185863
10378963252813
11136798970922
1261542039b79
132997522b442
14144b03259a5
159cceb3d393
hex583bf8564d

378963252813 has 8 divisors (see below), whose sum is σ = 512401018176. Its totient is φ = 249083828000.

The previous prime is 378963252779. The next prime is 378963252823. The reversal of 378963252813 is 318252369873.

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

It is a cyclic number.

It is not a de Polignac number, because 378963252813 - 210 = 378963251789 is a prime.

It is a super-2 number, since 2×3789632528132 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378963252823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889584888 + ... + 889585313.

It is an arithmetic number, because the mean of its divisors is an integer number (64050127272).

Almost surely, 2378963252813 is an apocalyptic number.

It is an amenable number.

378963252813 is a deficient number, since it is larger than the sum of its proper divisors (133437765363).

378963252813 is a wasteful number, since it uses less digits than its factorization.

378963252813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779170275.

The product of its digits is 13063680, while the sum is 57.

The spelling of 378963252813 in words is "three hundred seventy-eight billion, nine hundred sixty-three million, two hundred fifty-two thousand, eight hundred thirteen".

Divisors: 1 3 71 213 1779170201 5337510603 126321084271 378963252813