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38228538541 is a prime number
BaseRepresentation
bin100011100110100110…
…010011010010101101
310122200012201222012211
4203212212103102231
51111243001213131
625321214130421
72522224134064
oct434646232255
9118605658184
1038228538541
1115238016906
1274aa7b0a11
1337b307520b
141bc92031db
15edb2195b1
hex8e69934ad

38228538541 has 2 divisors, whose sum is σ = 38228538542. Its totient is φ = 38228538540.

The previous prime is 38228538521. The next prime is 38228538547. The reversal of 38228538541 is 14583582283.

38228538541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29156928516 + 9071610025 = 170754^2 + 95245^2 .

It is a cyclic number.

It is not a de Polignac number, because 38228538541 - 233 = 29638603949 is a prime.

It is a super-2 number, since 2×382285385412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38228538547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114269270 + 19114269271.

It is an arithmetic number, because the mean of its divisors is an integer number (19114269271).

Almost surely, 238228538541 is an apocalyptic number.

It is an amenable number.

38228538541 is a deficient number, since it is larger than the sum of its proper divisors (1).

38228538541 is an equidigital number, since it uses as much as digits as its factorization.

38228538541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843200, while the sum is 49.

The spelling of 38228538541 in words is "thirty-eight billion, two hundred twenty-eight million, five hundred thirty-eight thousand, five hundred forty-one".