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13143426026 = 237987172999
BaseRepresentation
bin11000011110110100…
…01100001111101010
31020220222200012222112
430033122030033222
5203404204113101
610012113122322
7643464164213
oct141732141752
936828605875
1013143426026
115635137565
1226698593a2
13131600b583
148c982240a
1551dd336bb
hex30f68c3ea

13143426026 has 8 divisors (see below), whose sum is σ = 19715772000. Its totient is φ = 6571502028.

The previous prime is 13143426011. The next prime is 13143426089. The reversal of 13143426026 is 62062434131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13143425983 and 13143426001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10526 + ... + 162473.

It is an arithmetic number, because the mean of its divisors is an integer number (2464471500).

Almost surely, 213143426026 is an apocalyptic number.

13143426026 is a deficient number, since it is larger than the sum of its proper divisors (6572345974).

13143426026 is a wasteful number, since it uses less digits than its factorization.

13143426026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210988.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 13143426026 in words is "thirteen billion, one hundred forty-three million, four hundred twenty-six thousand, twenty-six".

Divisors: 1 2 37987 75974 172999 345998 6571713013 13143426026