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351378000000 = 273656241
BaseRepresentation
bin1010001110011111100…
…00101100100010000000
31020120222010200212000000
411013033300230202000
521224110232000000
6425230522000000
734246321501656
oct5071760544200
91216863625000
10351378000000
111260227a2125
1258123946000
132719a216541
1413014898dd6
159218000000
hex51cfc2c880

351378000000 has 784 divisors, whose sum is σ = 1317347004930. Its totient is φ = 93312000000.

The previous prime is 351377999963. The next prime is 351378000041. The reversal of 351378000000 is 873153.

It can be written as a sum of positive squares in 7 ways, for example, as 141093389376 + 210284610624 = 375624^2 + 458568^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 97 ways as a sum of consecutive naturals, for example, 1457999880 + ... + 1458000120.

Almost surely, 2351378000000 is an apocalyptic number.

351378000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351378000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658673502465).

351378000000 is an abundant number, since it is smaller than the sum of its proper divisors (965969004930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351378000000 is an frugal number, since it uses more digits than its factorization.

351378000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 351378000000 its reverse (873153), we get a palindrome (351378873153).

The spelling of 351378000000 in words is "three hundred fifty-one billion, three hundred seventy-eight million", and thus it is an aban number.