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38708425565 = 5677311631361
BaseRepresentation
bin100100000011001100…
…111011001101011101
310200220122201202110022
4210003030323031131
51113233324104230
625440555521525
72540142121445
oct440314731535
9120818652408
1038708425565
1115463996057
1276034592a5
13385b607634
141c32c41125
15101840d1e5
hex90333b35d

38708425565 has 32 divisors (see below), whose sum is σ = 47865430656. Its totient is φ = 30038722560.

The previous prime is 38708425541. The next prime is 38708425573. The reversal of 38708425565 is 56552480783.

38708425565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38708425565 - 230 = 37634683741 is a prime.

It is a super-2 number, since 2×387084255652 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28440485 + ... + 28441845.

It is an arithmetic number, because the mean of its divisors is an integer number (1495794708).

Almost surely, 238708425565 is an apocalyptic number.

It is an amenable number.

38708425565 is a deficient number, since it is larger than the sum of its proper divisors (9157005091).

38708425565 is a wasteful number, since it uses less digits than its factorization.

38708425565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 38708425565 in words is "thirty-eight billion, seven hundred eight million, four hundred twenty-five thousand, five hundred sixty-five".

Divisors: 1 5 67 73 335 365 1163 1361 4891 5815 6805 24455 77921 84899 91187 99353 389605 424495 455935 496765 1582843 5688233 6656651 7914215 28441165 33283255 106050481 115547539 530252405 577737695 7741685113 38708425565