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13875263890 = 251387526389
BaseRepresentation
bin11001110110000011…
…11011100110010010
31022210222202102210121
430323001323212102
5211404031421030
610212455020454
71000561540255
oct147301734622
938728672717
1013875263890
115980252144
12283296a72a
131401817327
14958ac709c
155631e447a
hex33b07b992

13875263890 has 8 divisors (see below), whose sum is σ = 24975475020. Its totient is φ = 5550105552.

The previous prime is 13875263873. The next prime is 13875263947. The reversal of 13875263890 is 9836257831.

It can be written as a sum of positive squares in 2 ways, for example, as 12281737329 + 1593526561 = 110823^2 + 39919^2 .

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

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, 693763185 + ... + 693763204.

Almost surely, 213875263890 is an apocalyptic number.

13875263890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13875263890 is a deficient number, since it is larger than the sum of its proper divisors (11100211130).

13875263890 is a wasteful number, since it uses less digits than its factorization.

13875263890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387526396.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 13875263890 in words is "thirteen billion, eight hundred seventy-five million, two hundred sixty-three thousand, eight hundred ninety".

Divisors: 1 2 5 10 1387526389 2775052778 6937631945 13875263890