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30840085499 is a prime number
BaseRepresentation
bin11100101110001101…
…100101101111111011
32221121022001200000212
4130232031211233323
51001130030213444
622100122021335
72141150254466
oct345615455773
987538050025
1030840085499
1112096473773
125b8834784b
132ba6441702
1416c7c4a2dd
15c0776d19e
hex72e365bfb

30840085499 has 2 divisors, whose sum is σ = 30840085500. Its totient is φ = 30840085498.

The previous prime is 30840085489. The next prime is 30840085511. The reversal of 30840085499 is 99458004803.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30840085499 - 24 = 30840085483 is a prime.

It is a super-2 number, since 2×308400854992 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30840085439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420042749 + 15420042750.

It is an arithmetic number, because the mean of its divisors is an integer number (15420042750).

Almost surely, 230840085499 is an apocalyptic number.

30840085499 is a deficient number, since it is larger than the sum of its proper divisors (1).

30840085499 is an equidigital number, since it uses as much as digits as its factorization.

30840085499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 30840085499 in words is "thirty billion, eight hundred forty million, eighty-five thousand, four hundred ninety-nine".