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150748681 is a prime number
BaseRepresentation
bin10001111110000…
…11111000001001
3101111122211022111
420333003320021
5302042424211
622543022321
73510225346
oct1077037011
9344584274
10150748681
1178103796
124259a9a1
1325301905
14160417cd
15d37b421
hex8fc3e09

150748681 has 2 divisors, whose sum is σ = 150748682. Its totient is φ = 150748680.

The previous prime is 150748547. The next prime is 150748687. The reversal of 150748681 is 186847051.

150748681 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., 125798656 + 24950025 = 11216^2 + 4995^2 .

It is a cyclic number.

It is not a de Polignac number, because 150748681 - 213 = 150740489 is a prime.

It is a super-2 number, since 2×1507486812 = 45450329646479522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150748687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75374340 + 75374341.

It is an arithmetic number, because the mean of its divisors is an integer number (75374341).

Almost surely, 2150748681 is an apocalyptic number.

It is an amenable number.

150748681 is a deficient number, since it is larger than the sum of its proper divisors (1).

150748681 is an equidigital number, since it uses as much as digits as its factorization.

150748681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 150748681 is about 12277.9754438588. The cubic root of 150748681 is about 532.2118093505.

The spelling of 150748681 in words is "one hundred fifty million, seven hundred forty-eight thousand, six hundred eighty-one".