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38336160645 = 325851914681
BaseRepresentation
bin100011101101000000…
…110110001110000101
310122221201020201222200
4203231000312032011
51112003024120040
625340020545113
72525001663126
oct435500661605
9118851221880
1038336160645
11152928439a2
12751a852199
1337cc457133
141bd961a04d
15ee58c7630
hex8ed036385

38336160645 has 12 divisors (see below), whose sum is σ = 66449345196. Its totient is φ = 20445952320.

The previous prime is 38336160631. The next prime is 38336160659. The reversal of 38336160645 is 54606163383.

38336160645 is a `hidden beast` number, since 3 + 8 + 3 + 36 + 1 + 606 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (38336160631) and next prime (38336160659).

It can be written as a sum of positive squares in 2 ways, for example, as 25461627489 + 12874533156 = 159567^2 + 113466^2 .

It is not a de Polignac number, because 38336160645 - 26 = 38336160581 is a prime.

It is a super-2 number, since 2×383361606452 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 851914681 = 38336160645 / (3 + 8 + 3 + 3 + 6 + 1 + 6 + 0 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 38336160645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425957296 + ... + 425957385.

It is an arithmetic number, because the mean of its divisors is an integer number (5537445433).

Almost surely, 238336160645 is an apocalyptic number.

It is an amenable number.

38336160645 is a deficient number, since it is larger than the sum of its proper divisors (28113184551).

38336160645 is a wasteful number, since it uses less digits than its factorization.

38336160645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851914692 (or 851914689 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 38336160645 in words is "thirty-eight billion, three hundred thirty-six million, one hundred sixty thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 45 851914681 2555744043 4259573405 7667232129 12778720215 38336160645