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15012015441242 = 297161274798259
BaseRepresentation
bin1101101001110100000111…
…0110010000010101011010
31222011010122011112000222212
43122131001312100111122
53431424101423104432
651532231422115122
73106403510564411
oct332350166202532
958133564460885
1015012015441242
114868618399406
12182551971baa2
1384b81c62c721
1439c82a592478
151b076c4352b2
hexda741d9055a

15012015441242 has 16 divisors (see below), whose sum is σ = 22751583160320. Its totient is φ = 7428164016768.

The previous prime is 15012015441197. The next prime is 15012015441337. The reversal of 15012015441242 is 24214451021051.

It is a junction number, because it is equal to n+sod(n) for n = 15012015441199 and 15012015441208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729509 + ... + 5527767.

It is an arithmetic number, because the mean of its divisors is an integer number (1421973947520).

Almost surely, 215012015441242 is an apocalyptic number.

15012015441242 is a deficient number, since it is larger than the sum of its proper divisors (7739567719078).

15012015441242 is a wasteful number, since it uses less digits than its factorization.

15012015441242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814485.

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 15012015441242 its reverse (24214451021051), we get a palindrome (39226466462293).

The spelling of 15012015441242 in words is "fifteen trillion, twelve billion, fifteen million, four hundred forty-one thousand, two hundred forty-two".

Divisors: 1 2 97 194 16127 32254 1564319 3128638 4798259 9596518 465431123 930862246 77381522893 154763045786 7506007720621 15012015441242