Search a number
-
+
379692256769280 = 28335721329738147
BaseRepresentation
bin101011001010100111111111…
…0000101101011010100000000
31211210101020002012121201002000
41112111033332011223110000
5344231334220213104110
63423312114215224000
7142655601036402300
oct12625177605532400
91753336065551060
10379692256769280
11aaa88644431534
1236702aa0678000
13133b2a98167bc0
1469a92bbb3d600
152dd6a00e0d1c0
hex15953fe16b500

379692256769280 has 3456 divisors, whose sum is σ = 1770268036723200. Its totient is φ = 76279517282304.

The previous prime is 379692256769233. The next prime is 379692256769341. The reversal of 379692256769280 is 82967652296973.

379692256769280 is a `hidden beast` number, since 3 + 7 + 9 + 6 + 9 + 22 + 567 + 6 + 9 + 28 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a self number, because there is not a number n which added to its sum of digits gives 379692256769280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 46605158167 + ... + 46605166313.

It is an arithmetic number, because the mean of its divisors is an integer number (512230334700).

Almost surely, 2379692256769280 is an apocalyptic number.

379692256769280 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 379692256769280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885134018361600).

379692256769280 is an abundant number, since it is smaller than the sum of its proper divisors (1390575779953920).

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

379692256769280 is a wasteful number, since it uses less digits than its factorization.

379692256769280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8306 (or 8279 counting only the distinct ones).

The product of its (nonzero) digits is 7407106560, while the sum is 81.

The spelling of 379692256769280 in words is "three hundred seventy-nine trillion, six hundred ninety-two billion, two hundred fifty-six million, seven hundred sixty-nine thousand, two hundred eighty".