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1385281450302 = 232310038271379
BaseRepresentation
bin10100001010001001001…
…101010111000100111110
311220102122122110000000120
4110022021031113010332
5140144024022402202
62540220045035410
7202040365021311
oct24121115270476
94812578400016
101385281450302
114945492a0032
121a4587b55b66
13a0829492679
144b09592a978
152607ade30bc
hex1428935713e

1385281450302 has 16 divisors (see below), whose sum is σ = 2891022157440. Its totient is φ = 441683940632.

The previous prime is 1385281450297. The next prime is 1385281450303. The reversal of 1385281450302 is 2030541825831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385281450303) 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 7 ways as a sum of consecutive naturals, for example, 5019135552 + ... + 5019135827.

It is an arithmetic number, because the mean of its divisors is an integer number (180688884840).

Almost surely, 21385281450302 is an apocalyptic number.

1385281450302 is an abundant number, since it is smaller than the sum of its proper divisors (1505740707138).

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

1385281450302 is a wasteful number, since it uses less digits than its factorization.

1385281450302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038271407.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 1385281450302 in words is "one trillion, three hundred eighty-five billion, two hundred eighty-one million, four hundred fifty thousand, three hundred two".

Divisors: 1 2 3 6 23 46 69 138 10038271379 20076542758 30114814137 60229628274 230880241717 461760483434 692640725151 1385281450302