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30120323030201 = 101298221020101
BaseRepresentation
bin1101101100100111011110…
…01001111001110010111001
310221122110211002201000010002
412312103233021321302321
512421442410143431301
6144021030235202345
76226056453310505
oct666235711716271
9127573732630102
1030120323030201
119662a5912a588
12346562b2a63b5
1313a6446528b41
14761b8d57d305
153737732dc16b
hex1b64ef279cb9

30120323030201 has 4 divisors (see below), whose sum is σ = 30418544050404. Its totient is φ = 29822102010000.

The previous prime is 30120323030197. The next prime is 30120323030243. The reversal of 30120323030201 is 10203032302103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27254246713600 + 2866076316601 = 5220560^2 + 1692949^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120323030201 - 22 = 30120323030197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30120323030801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149110509950 + ... + 149110510151.

It is an arithmetic number, because the mean of its divisors is an integer number (7604636012601).

Almost surely, 230120323030201 is an apocalyptic number.

It is an amenable number.

30120323030201 is a deficient number, since it is larger than the sum of its proper divisors (298221020203).

30120323030201 is a wasteful number, since it uses less digits than its factorization.

30120323030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298221020202.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30120323030201 its reverse (10203032302103), we get a palindrome (40323355332304).

The spelling of 30120323030201 in words is "thirty trillion, one hundred twenty billion, three hundred twenty-three million, thirty thousand, two hundred one".

Divisors: 1 101 298221020101 30120323030201