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103512758213 is a prime number
BaseRepresentation
bin110000001100111010…
…1110101011111000101
3100220011222111221121202
41200121311311133011
53143443231230323
6115315245352245
710323066633044
oct1403165653705
9326158457552
10103512758213
113a999287367
121808a268685
1399b84c51b7
14501d7c055b
152a5c816d28
hex1819d757c5

103512758213 has 2 divisors, whose sum is σ = 103512758214. Its totient is φ = 103512758212.

The previous prime is 103512758207. The next prime is 103512758227. The reversal of 103512758213 is 312857215301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102257969284 + 1254788929 = 319778^2 + 35423^2 .

It is an emirp because it is prime and its reverse (312857215301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103512758213 - 26 = 103512758149 is a prime.

It is a super-2 number, since 2×1035127582132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103512757213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51756379106 + 51756379107.

It is an arithmetic number, because the mean of its divisors is an integer number (51756379107).

Almost surely, 2103512758213 is an apocalyptic number.

It is an amenable number.

103512758213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103512758213 is an equidigital number, since it uses as much as digits as its factorization.

103512758213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 103512758213 in words is "one hundred three billion, five hundred twelve million, seven hundred fifty-eight thousand, two hundred thirteen".