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23203312030 = 254767736847
BaseRepresentation
bin10101100111000001…
…100111000110011110
32012220002010101021001
4111213001213012132
5340010021441110
614354235300514
71450666620013
oct254701470636
965802111231
1023203312030
119927734838
1245b68aa73a
13225a235b42
1411a18d370a
1590c0c063a
hex56706719e

23203312030 has 32 divisors (see below), whose sum is σ = 43291293696. Its totient is φ = 8948257824.

The previous prime is 23203312007. The next prime is 23203312037. The reversal of 23203312030 is 3021330232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23203311989 and 23203312007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203312037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336934 + ... + 399913.

It is an arithmetic number, because the mean of its divisors is an integer number (1352852928).

Almost surely, 223203312030 is an apocalyptic number.

23203312030 is a deficient number, since it is larger than the sum of its proper divisors (20087981666).

23203312030 is a wasteful number, since it uses less digits than its factorization.

23203312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736968.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23203312030 its reverse (3021330232), we get a palindrome (26224642262).

The spelling of 23203312030 in words is "twenty-three billion, two hundred three million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 47 67 94 134 235 335 470 670 3149 6298 15745 31490 736847 1473694 3684235 7368470 34631809 49368749 69263618 98737498 173159045 246843745 346318090 493687490 2320331203 4640662406 11601656015 23203312030