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38215468153 is a prime number
BaseRepresentation
bin100011100101110100…
…011100010001111001
310122122022010221000101
4203211310130101321
51111231124440103
625320030035401
72522005056022
oct434564342171
9118568127011
1038215468153
11152306a9935
1274a6348b61
1337b0449c65
141bc759dc49
15ed9ed6a1d
hex8e5d1c479

38215468153 has 2 divisors, whose sum is σ = 38215468154. Its totient is φ = 38215468152.

The previous prime is 38215468133. The next prime is 38215468163. The reversal of 38215468153 is 35186451283.

38215468153 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., 31015436544 + 7200031609 = 176112^2 + 84853^2 .

It is an emirp because it is prime and its reverse (35186451283) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38215468153 is a prime.

It is not a weakly prime, because it can be changed into another prime (38215468103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19107734076 + 19107734077.

It is an arithmetic number, because the mean of its divisors is an integer number (19107734077).

Almost surely, 238215468153 is an apocalyptic number.

It is an amenable number.

38215468153 is a deficient number, since it is larger than the sum of its proper divisors (1).

38215468153 is an equidigital number, since it uses as much as digits as its factorization.

38215468153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 46.

The spelling of 38215468153 in words is "thirty-eight billion, two hundred fifteen million, four hundred sixty-eight thousand, one hundred fifty-three".