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38647417012 = 22193117142751
BaseRepresentation
bin100011111111100100…
…001100100010110100
310200202101221012110021
4203333210030202310
51113122214321022
625430540134524
72535501424111
oct437744144264
9120671835407
1038647417012
1115432506466
1275a6b37444
13384ba965b9
141c28abd908
151012dab7c7
hex8ff90c8b4

38647417012 has 24 divisors (see below), whose sum is σ = 68043057152. Its totient is φ = 19206720000.

The previous prime is 38647416989. The next prime is 38647417019. The reversal of 38647417012 is 21071474683.

38647417012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38647417012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38647417019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882637 + ... + 925387.

Almost surely, 238647417012 is an apocalyptic number.

It is an amenable number.

38647417012 is a deficient number, since it is larger than the sum of its proper divisors (29395640140).

38647417012 is a wasteful number, since it uses less digits than its factorization.

38647417012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44119 (or 44117 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 38647417012 in words is "thirty-eight billion, six hundred forty-seven million, four hundred seventeen thousand, twelve".

Divisors: 1 2 4 193 386 772 1171 2342 4684 42751 85502 171004 226003 452006 904012 8250943 16501886 33003772 50061421 100122842 200245684 9661854253 19323708506 38647417012