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30303400243421 = 63164817740923
BaseRepresentation
bin1101110001111100011110…
…11010000011000011011101
310222021222101001210001022202
412320332033122003003131
512432442330430242141
6144241105003221245
76245230336041644
oct670761732030335
9128258331701282
1030303400243421
11972366647a588
123495003517825
1313ba7a184a6c6
1476a999d2035b
153783dac3c49b
hex1b8f8f6830dd

30303400243421 has 8 divisors (see below), whose sum is σ = 30351933877824. Its totient is φ = 30254868221760.

The previous prime is 30303400243409. The next prime is 30303400243429. The reversal of 30303400243421 is 12434200430303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30303400243421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303400243429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40529066 + ... + 41269988.

It is an arithmetic number, because the mean of its divisors is an integer number (3793991734728).

Almost surely, 230303400243421 is an apocalyptic number.

It is an amenable number.

30303400243421 is a deficient number, since it is larger than the sum of its proper divisors (48533634403).

30303400243421 is an equidigital number, since it uses as much as digits as its factorization.

30303400243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806371.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30303400243421 its reverse (12434200430303), we get a palindrome (42737600673724).

The spelling of 30303400243421 in words is "thirty trillion, three hundred three billion, four hundred million, two hundred forty-three thousand, four hundred twenty-one".

Divisors: 1 631 64817 740923 40899527 467522413 48024406091 30303400243421