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30215940413 is a prime number
BaseRepresentation
bin11100001001000000…
…101010100100111101
32212222210121210221012
4130021000222210331
5443340240043123
621514144245005
72116531153511
oct341100524475
985883553835
1030215940413
11118a612428a
125a33310765
132b07040aa9
141668dba141
15bbca81378
hex70902a93d

30215940413 has 2 divisors, whose sum is σ = 30215940414. Its totient is φ = 30215940412.

The previous prime is 30215940409. The next prime is 30215940421. The reversal of 30215940413 is 31404951203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26568022009 + 3647918404 = 162997^2 + 60398^2 .

It is a cyclic number.

It is not a de Polignac number, because 30215940413 - 22 = 30215940409 is a prime.

It is a super-2 number, since 2×302159404132 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30215940413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30215940473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15107970206 + 15107970207.

It is an arithmetic number, because the mean of its divisors is an integer number (15107970207).

Almost surely, 230215940413 is an apocalyptic number.

It is an amenable number.

30215940413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30215940413 is an equidigital number, since it uses as much as digits as its factorization.

30215940413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 30215940413 in words is "thirty billion, two hundred fifteen million, nine hundred forty thousand, four hundred thirteen".