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30274636649 is a prime number
BaseRepresentation
bin11100001100100000…
…100100101101101001
32220010220001220000212
4130030200210231221
5444000301333044
621524042310505
72121143110535
oct341440445551
986126056025
1030274636649
1111926274674
125a4aab8435
132b162524aa
141672ad8bc5
15bc2cc7a9e
hex70c824b69

30274636649 has 2 divisors, whose sum is σ = 30274636650. Its totient is φ = 30274636648.

The previous prime is 30274636619. The next prime is 30274636687. The reversal of 30274636649 is 94663647203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23292864400 + 6981772249 = 152620^2 + 83557^2 .

It is a cyclic number.

It is not a de Polignac number, because 30274636649 - 216 = 30274571113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30274636597 and 30274636606.

It is not a weakly prime, because it can be changed into another prime (30274636619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137318324 + 15137318325.

It is an arithmetic number, because the mean of its divisors is an integer number (15137318325).

Almost surely, 230274636649 is an apocalyptic number.

It is an amenable number.

30274636649 is a deficient number, since it is larger than the sum of its proper divisors (1).

30274636649 is an equidigital number, since it uses as much as digits as its factorization.

30274636649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 50.

The spelling of 30274636649 in words is "thirty billion, two hundred seventy-four million, six hundred thirty-six thousand, six hundred forty-nine".