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38151937147 is a prime number
BaseRepresentation
bin100011100010000010…
…000101110001111011
310122110212121012212011
4203202002011301323
51111113343442042
625305440230351
72520304054312
oct434202056173
9118425535764
1038151937147
11151a8857075
12748900b3b7
1337a0234a4c
141bbcd83279
15ed4637a17
hex8e2085c7b

38151937147 has 2 divisors, whose sum is σ = 38151937148. Its totient is φ = 38151937146.

The previous prime is 38151937049. The next prime is 38151937151. The reversal of 38151937147 is 74173915183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38151937147 - 223 = 38143548539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38151937147.

It is not a weakly prime, because it can be changed into another prime (38151937157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19075968573 + 19075968574.

It is an arithmetic number, because the mean of its divisors is an integer number (19075968574).

Almost surely, 238151937147 is an apocalyptic number.

38151937147 is a deficient number, since it is larger than the sum of its proper divisors (1).

38151937147 is an equidigital number, since it uses as much as digits as its factorization.

38151937147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The spelling of 38151937147 in words is "thirty-eight billion, one hundred fifty-one million, nine hundred thirty-seven thousand, one hundred forty-seven".