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30202311023123 = 223601225351701
BaseRepresentation
bin1101101111000000001100…
…00001010001101000010011
310221221022102222120120201112
412313200012001101220103
512424313313110214443
6144122430010323535
76235021264615031
oct667400601215023
9127838388516645
1030202311023123
119694801222118
1234794b0a295ab
1313b10b1492a15
14765b2a369551
1537597109ab18
hex1b7806051a13

30202311023123 has 8 divisors (see below), whose sum is σ = 30388226311296. Its totient is φ = 30016846440000.

The previous prime is 30202311023077. The next prime is 30202311023149. The reversal of 30202311023123 is 32132011320203.

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 30202311023123 - 210 = 30202311022099 is a prime.

It is a super-2 number, since 2×302023110231232 (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 (30202311023723) 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, 112541828 + ... + 112809873.

It is an arithmetic number, because the mean of its divisors is an integer number (3798528288912).

Almost surely, 230202311023123 is an apocalyptic number.

30202311023123 is a deficient number, since it is larger than the sum of its proper divisors (185915288173).

30202311023123 is a wasteful number, since it uses less digits than its factorization.

30202311023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225352525.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30202311023123 its reverse (32132011320203), we get a palindrome (62334322343326).

The spelling of 30202311023123 in words is "thirty trillion, two hundred two billion, three hundred eleven million, twenty-three thousand, one hundred twenty-three".

Divisors: 1 223 601 134023 225351701 50253429323 135436372301 30202311023123