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13043250442 = 2171512540563
BaseRepresentation
bin11000010010111000…
…00011010100001010
31020200000011202220201
430021130003110022
5203203033003232
65554134042414
7641136541135
oct141134032412
936600152821
1013043250442
115593636122
1226401a940a
1312cb335b91
148ba3c721c
15515146be7
hex30970350a

13043250442 has 16 divisors (see below), whose sum is σ = 20852949312. Its totient is φ = 6097348800.

The previous prime is 13043250439. The next prime is 13043250461. The reversal of 13043250442 is 24405234031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13043250442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265148 + ... + 1275415.

It is an arithmetic number, because the mean of its divisors is an integer number (1303309332).

Almost surely, 213043250442 is an apocalyptic number.

13043250442 is a deficient number, since it is larger than the sum of its proper divisors (7809698870).

13043250442 is a wasteful number, since it uses less digits than its factorization.

13043250442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540733.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 13043250442 its reverse (24405234031), we get a palindrome (37448484473).

The spelling of 13043250442 in words is "thirteen billion, forty-three million, two hundred fifty thousand, four hundred forty-two".

Divisors: 1 2 17 34 151 302 2567 5134 2540563 5081126 43189571 86379142 383625013 767250026 6521625221 13043250442