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180258137230 = 2561295505143
BaseRepresentation
bin1010011111100000111…
…0001110010010001110
3122020021111111010221211
42213320032032102032
510423132040342410
6214450501245034
716010651612533
oct2477016162216
9566244433854
10180258137230
116a4a1023536
122ab2810377a
1313cc9275982
148a201d2d8a
154a501e868a
hex29f838e48e

180258137230 has 16 divisors (see below), whose sum is σ = 329783740704. Its totient is φ = 70921234080.

The previous prime is 180258137219. The next prime is 180258137243. The reversal of 180258137230 is 32731852081.

It is a happy number.

180258137230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 147751962 + ... + 147753181.

It is an arithmetic number, because the mean of its divisors is an integer number (20611483794).

Almost surely, 2180258137230 is an apocalyptic number.

180258137230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180258137230 is a deficient number, since it is larger than the sum of its proper divisors (149525603474).

180258137230 is a wasteful number, since it uses less digits than its factorization.

180258137230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295505211.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 180258137230 in words is "one hundred eighty billion, two hundred fifty-eight million, one hundred thirty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 61 122 305 610 295505143 591010286 1477525715 2955051430 18025813723 36051627446 90129068615 180258137230