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38263418713 = 132943339901
BaseRepresentation
bin100011101000101011…
…010110111101011001
310122202122101001211001
4203220223112331121
51111330413344323
625324501505001
72523126456412
oct435053267531
9118678331731
1038263418713
111525577a8a3
1274ba412161
1337ba368580
141bcdac2809
15ede3093ad
hex8e8ad6f59

38263418713 has 4 divisors (see below), whose sum is σ = 41206758628. Its totient is φ = 35320078800.

The previous prime is 38263418707. The next prime is 38263418731. The reversal of 38263418713 is 31781436283.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13366365769 + 24897052944 = 115613^2 + 157788^2 .

It is a cyclic number.

It is not a de Polignac number, because 38263418713 - 25 = 38263418681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38263418783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471669938 + ... + 1471669963.

It is an arithmetic number, because the mean of its divisors is an integer number (10301689657).

Almost surely, 238263418713 is an apocalyptic number.

It is an amenable number.

38263418713 is a deficient number, since it is larger than the sum of its proper divisors (2943339915).

38263418713 is a wasteful number, since it uses less digits than its factorization.

38263418713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943339914.

The product of its digits is 580608, while the sum is 46.

It can be divided in two parts, 38263 and 418713, that added together give a 4-th power (456976 = 264).

The spelling of 38263418713 in words is "thirty-eight billion, two hundred sixty-three million, four hundred eighteen thousand, seven hundred thirteen".

Divisors: 1 13 2943339901 38263418713