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103154999993 is a prime number
BaseRepresentation
bin110000000010010000…
…1000110001010111001
3100212021001022221121022
41200010201012022321
53142230134444433
6115215545352225
710311164014133
oct1400441061271
9325231287538
10103154999993
113a825343311
1217baa498675
13995c353946
144dc8094053
152a3b1e9698
hex18048462b9

103154999993 has 2 divisors, whose sum is σ = 103154999994. Its totient is φ = 103154999992.

The previous prime is 103154999971. The next prime is 103155000041. The reversal of 103154999993 is 399999451301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87124148224 + 16030851769 = 295168^2 + 126613^2 .

It is an emirp because it is prime and its reverse (399999451301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103154999993 - 26 = 103154999929 is a prime.

It is not a weakly prime, because it can be changed into another prime (103154999903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51577499996 + 51577499997.

It is an arithmetic number, because the mean of its divisors is an integer number (51577499997).

Almost surely, 2103154999993 is an apocalyptic number.

It is an amenable number.

103154999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103154999993 is an equidigital number, since it uses as much as digits as its factorization.

103154999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10628820, while the sum is 62.

The spelling of 103154999993 in words is "one hundred three billion, one hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred ninety-three".