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30201020133121 = 292693871429321
BaseRepresentation
bin1101101110111101110010…
…00100111010111100000001
310221221012010000112120112201
412313132321010322330001
512424303142123224441
6144122053534153201
76234644301336235
oct667367104727401
9127835100476481
1030201020133121
1196941a9587382
1234791b0652801
1313b0c36bc7496
14765a46b3a5c5
153758e7aa9c31
hex1b77b913af01

30201020133121 has 8 divisors (see below), whose sum is σ = 31358577508200. Its totient is φ = 29051205617280.

The previous prime is 30201020133059. The next prime is 30201020133157. The reversal of 30201020133121 is 12133102010203.

It can be written as a sum of positive squares in 4 ways, for example, as 465211300096 + 29735808833025 = 682064^2 + 5453055^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30201020133121 - 29 = 30201020132609 is a prime.

It is a super-2 number, since 2×302010201331212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30201020130121) 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, 1935706860 + ... + 1935722461.

It is an arithmetic number, because the mean of its divisors is an integer number (3919822188525).

Almost surely, 230201020133121 is an apocalyptic number.

It is an amenable number.

30201020133121 is a deficient number, since it is larger than the sum of its proper divisors (1157557375079).

30201020133121 is a wasteful number, since it uses less digits than its factorization.

30201020133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871429619.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30201020133121 its reverse (12133102010203), we get a palindrome (42334122143324).

The spelling of 30201020133121 in words is "thirty trillion, two hundred one billion, twenty million, one hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 29 269 7801 3871429321 112271450309 1041414487349 30201020133121