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38671835505 = 3539722372903
BaseRepresentation
bin100100000001000001…
…010110000101110001
310200211002212210022220
4210001001112011301
51113144442214010
625433211351253
72536216115052
oct440101260561
9120732783286
1038671835505
1115445274436
1275b3152529
133853b65c04
141c2c038729
1510150d1970
hex901056171

38671835505 has 32 divisors (see below), whose sum is σ = 62079899904. Its totient is φ = 20556746496.

The previous prime is 38671835479. The next prime is 38671835509. The reversal of 38671835505 is 50553817683.

It is not a de Polignac number, because 38671835505 - 212 = 38671831409 is a prime.

It is a super-2 number, since 2×386718355052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38671835509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13319884 + ... + 13322786.

It is an arithmetic number, because the mean of its divisors is an integer number (1939996872).

Almost surely, 238671835505 is an apocalyptic number.

It is an amenable number.

38671835505 is a deficient number, since it is larger than the sum of its proper divisors (23408064399).

38671835505 is a wasteful number, since it uses less digits than its factorization.

38671835505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 38671835505 in words is "thirty-eight billion, six hundred seventy-one million, eight hundred thirty-five thousand, five hundred five".

Divisors: 1 3 5 15 397 1191 1985 2237 2903 5955 6711 8709 11185 14515 33555 43545 888089 1152491 2664267 3457473 4440445 5762455 6494011 13321335 17287365 19482033 32470055 97410165 2578122367 7734367101 12890611835 38671835505