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385969406145 = 35199791287917
BaseRepresentation
bin1011001110111011001…
…00011100000011000001
31100220020212112100112120
411213131210130003001
522310431131444040
6453151211514453
736612452551401
oct5473544340301
91326225470476
10385969406145
11139763738594
1262978458a29
132a5208aa0bb
1414976a04801
15a08ec707d0
hex59dd91c0c1

385969406145 has 16 divisors (see below), whose sum is σ = 617582439360. Its totient is φ = 205839886784.

The previous prime is 385969406113. The next prime is 385969406159. The reversal of 385969406145 is 541604969583.

It is a cyclic number.

It is not a de Polignac number, because 385969406145 - 25 = 385969406113 is a prime.

It is a super-2 number, since 2×3859694061452 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344274 + ... + 943643.

It is an arithmetic number, because the mean of its divisors is an integer number (38598902460).

Almost surely, 2385969406145 is an apocalyptic number.

It is an amenable number.

385969406145 is a deficient number, since it is larger than the sum of its proper divisors (231613033215).

385969406145 is a wasteful number, since it uses less digits than its factorization.

385969406145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307904.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 385969406145 in words is "three hundred eighty-five billion, nine hundred sixty-nine million, four hundred six thousand, one hundred forty-five".

Divisors: 1 3 5 15 19979 59937 99895 299685 1287917 3863751 6439585 19318755 25731293743 77193881229 128656468715 385969406145