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30215104451969 is a prime number
BaseRepresentation
bin1101101111011000000001…
…00100010101010110000001
310221222112110120200002211112
412313230000210111112001
512430021013214430334
6144132343302053105
76235653312146303
oct667540044252601
9127875416602745
1030215104451969
11969a176836608
12347ba8141a195
1313b236cb19468
147665c14c1973
15375e6e2e64ce
hex1b7b00915581

30215104451969 has 2 divisors, whose sum is σ = 30215104451970. Its totient is φ = 30215104451968.

The previous prime is 30215104451957. The next prime is 30215104451981. The reversal of 30215104451969 is 96915440151203.

It is a balanced prime because it is at equal distance from previous prime (30215104451957) and next prime (30215104451981).

It can be written as a sum of positive squares in only one way, i.e., 18151902855025 + 12063201596944 = 4260505^2 + 3473212^2 .

It is a cyclic number.

It is not a de Polignac number, because 30215104451969 - 240 = 29115592824193 is a prime.

It is a super-2 number, since 2×302151044519692 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30215104351969) 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, 15107552225984 + 15107552225985.

It is an arithmetic number, because the mean of its divisors is an integer number (15107552225985).

Almost surely, 230215104451969 is an apocalyptic number.

It is an amenable number.

30215104451969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30215104451969 is an equidigital number, since it uses as much as digits as its factorization.

30215104451969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 30215104451969 in words is "thirty trillion, two hundred fifteen billion, one hundred four million, four hundred fifty-one thousand, nine hundred sixty-nine".