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308743000919 is a prime number
BaseRepresentation
bin1000111111000101000…
…01000101001101010111
31002111220211102111021222
410133202201011031113
520024301202012134
6353500134000555
731206640131053
oct4374241051527
91074824374258
10308743000919
11109a344142a1
124ba054a615b
1323164288832
1410d2c378c63
158070022a2e
hex47e2845357

308743000919 has 2 divisors, whose sum is σ = 308743000920. Its totient is φ = 308743000918.

The previous prime is 308743000901. The next prime is 308743000957. The reversal of 308743000919 is 919000347803.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 308743000919 - 28 = 308743000663 is a prime.

It is a super-2 number, since 2×3087430009192 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 308743000919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308743000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154371500459 + 154371500460.

It is an arithmetic number, because the mean of its divisors is an integer number (154371500460).

Almost surely, 2308743000919 is an apocalyptic number.

308743000919 is a deficient number, since it is larger than the sum of its proper divisors (1).

308743000919 is an equidigital number, since it uses as much as digits as its factorization.

308743000919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 308743000919 in words is "three hundred eight billion, seven hundred forty-three million, nine hundred nineteen", and thus it is an aban number.