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233030154031 = 1912264744949
BaseRepresentation
bin1101100100000110101…
…1011111011100101111
3211021111021100100202121
43121001223133130233
512304221204412111
6255015204533411
722556463425113
oct3310153373457
9737437310677
10233030154031
118a9114a0864
12391b53b1267
1318c893c590c
14b3c8b41743
1560dd0eb871
hex3641adf72f

233030154031 has 4 divisors (see below), whose sum is σ = 245294899000. Its totient is φ = 220765409064.

The previous prime is 233030153977. The next prime is 233030154053. The reversal of 233030154031 is 130451030332.

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

It is not a de Polignac number, because 233030154031 - 217 = 233030022959 is a prime.

It is a super-2 number, since 2×2330301540312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233030153987 and 233030154005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233030154631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132372456 + ... + 6132372493.

It is an arithmetic number, because the mean of its divisors is an integer number (61323724750).

Almost surely, 2233030154031 is an apocalyptic number.

233030154031 is a deficient number, since it is larger than the sum of its proper divisors (12264744969).

233030154031 is a wasteful number, since it uses less digits than its factorization.

233030154031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264744968.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 233030154031 its reverse (130451030332), we get a palindrome (363481184363).

The spelling of 233030154031 in words is "two hundred thirty-three billion, thirty million, one hundred fifty-four thousand, thirty-one".

Divisors: 1 19 12264744949 233030154031