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30130120303221 = 3200332381154849
BaseRepresentation
bin1101101100111001101110…
…00111100010001001110101
310221200102002220000001002210
412312130313013202021311
512422122441244200341
6144025330340524033
76226554316616631
oct666346707421165
9127612086001083
1030130120303221
119667126469834
1234675043b0619
1313a7348215a03
1476243c80ddc1
15373b484a2c16
hex1b67371e2275

30130120303221 has 16 divisors (see below), whose sum is σ = 40195051243200. Its totient is φ = 20075968872960.

The previous prime is 30130120303187. The next prime is 30130120303223. The reversal of 30130120303221 is 12230302103103.

It is not a de Polignac number, because 30130120303221 - 237 = 29992681349749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130120303223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194500005 + ... + 194654853.

It is an arithmetic number, because the mean of its divisors is an integer number (2512190702700).

Almost surely, 230130120303221 is an apocalyptic number.

It is an amenable number.

30130120303221 is a deficient number, since it is larger than the sum of its proper divisors (10064930939979).

30130120303221 is a wasteful number, since it uses less digits than its factorization.

30130120303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189236.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30130120303221 its reverse (12230302103103), we get a palindrome (42360422406324).

The spelling of 30130120303221 in words is "thirty trillion, one hundred thirty billion, one hundred twenty million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 3 2003 6009 32381 97143 154849 464547 64859143 194577429 310162547 930487641 5014165469 15042496407 10043373434407 30130120303221