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23030126790 = 2351169788263
BaseRepresentation
bin10101011100101100…
…111101100011000110
32012110000020122202220
4111130230331203012
5334131203024130
614325131313210
71443464563536
oct253454754306
965400218686
1023030126790
1198489a7140
1245688ab806
1322303a9a78
1411868d14c6
158ebcb1410
hex55cb3d8c6

23030126790 has 32 divisors (see below), whose sum is σ = 60297060096. Its totient is φ = 5583060960.

The previous prime is 23030126773. The next prime is 23030126807. The reversal of 23030126790 is 9762103032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23030126773) and next prime (23030126807).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34893802 + ... + 34894461.

It is an arithmetic number, because the mean of its divisors is an integer number (1884283128).

Almost surely, 223030126790 is an apocalyptic number.

23030126790 is an abundant number, since it is smaller than the sum of its proper divisors (37266933306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23030126790 is a wasteful number, since it uses less digits than its factorization.

23030126790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69788284.

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 23030126790 in words is "twenty-three billion, thirty million, one hundred twenty-six thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 69788263 139576526 209364789 348941315 418729578 697882630 767670893 1046823945 1535341786 2093647890 2303012679 3838354465 4606025358 7676708930 11515063395 23030126790