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141102991 is a prime number
BaseRepresentation
bin10000110100100…
…00111110001111
3100211111202220201
420122100332033
5242110243431
622000154331
73332232661
oct1032207617
9324452821
10141102991
1172715847
123b3089a7
13233053c3
1414a50531
15c5c3461
hex8690f8f

141102991 has 2 divisors, whose sum is σ = 141102992. Its totient is φ = 141102990.

The previous prime is 141102989. The next prime is 141103037. The reversal of 141102991 is 199201141.

141102991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (199201141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141102991 - 21 = 141102989 is a prime.

Together with 141102989, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141102961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70551495 + 70551496.

It is an arithmetic number, because the mean of its divisors is an integer number (70551496).

Almost surely, 2141102991 is an apocalyptic number.

141102991 is a deficient number, since it is larger than the sum of its proper divisors (1).

141102991 is an equidigital number, since it uses as much as digits as its factorization.

141102991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 141102991 is about 11878.6779988347. The cubic root of 141102991 is about 520.6094813662.

The spelling of 141102991 in words is "one hundred forty-one million, one hundred two thousand, nine hundred ninety-one".