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30413122321221 = 34438731875487
BaseRepresentation
bin1101110101001000110110…
…10110100011101101000101
310222200110120210020010010000
412322210123112203231011
512441242033303234341
6144403332344151513
76256163344234413
oct672443326435505
9128613523203100
1030413122321221
119766150755622
1234b2325168599
1313c7c395a98b3
1477200823a2b3
1537b1ad7378b6
hex1ba91b5a3b45

30413122321221 has 20 divisors (see below), whose sum is σ = 46488505098112. Its totient is φ = 19803893602248.

The previous prime is 30413122321213. The next prime is 30413122321237. The reversal of 30413122321221 is 12212322131403.

30413122321221 is a `hidden beast` number, since 3 + 0 + 4 + 1 + 312 + 2 + 321 + 2 + 21 = 666.

It is not a de Polignac number, because 30413122321221 - 23 = 30413122321213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30413122321201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4365934261 + ... + 4365941226.

Almost surely, 230413122321221 is an apocalyptic number.

It is an amenable number.

30413122321221 is a deficient number, since it is larger than the sum of its proper divisors (16075382776891).

30413122321221 is an equidigital number, since it uses as much as digits as its factorization.

30413122321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8731875542 (or 8731875533 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 30413122321221 its reverse (12212322131403), we get a palindrome (42625444452624).

The spelling of 30413122321221 in words is "thirty trillion, four hundred thirteen billion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 3 9 27 43 81 129 387 1161 3483 8731875487 26195626461 78586879383 235760638149 375470645941 707281914447 1126411937823 3379235813469 10137707440407 30413122321221