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30023131211123 = 375913753152181
BaseRepresentation
bin1101101001110010011100…
…00100100010010101110011
310221022011221122011000220012
412310321032010202111303
512413344333042223443
6143504234105205135
76216046115422421
oct664711604422563
9127264848130805
1030023131211123
11962581395a366
12344a825a907ab
13139a22774c21b
1475b1ad472111
15370e858a6118
hex1b4e4e122573

30023131211123 has 8 divisors (see below), whose sum is σ = 31357186974960. Its totient is φ = 28716581751840.

The previous prime is 30023131211071. The next prime is 30023131211147. The reversal of 30023131211123 is 32111213132003.

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 30023131211123 - 210 = 30023131210099 is a prime.

It is a super-2 number, since 2×300231312111232 (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 (30023131216123) 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, 6876573908 + ... + 6876578273.

It is an arithmetic number, because the mean of its divisors is an integer number (3919648371870).

Almost surely, 230023131211123 is an apocalyptic number.

30023131211123 is a deficient number, since it is larger than the sum of its proper divisors (1334055763837).

30023131211123 is a wasteful number, since it uses less digits than its factorization.

30023131211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753152277.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30023131211123 its reverse (32111213132003), we get a palindrome (62134344343126).

The spelling of 30023131211123 in words is "thirty trillion, twenty-three billion, one hundred thirty-one million, two hundred eleven thousand, one hundred twenty-three".

Divisors: 1 37 59 2183 13753152181 508866630697 811435978679 30023131211123