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12953959885 = 522367115831
BaseRepresentation
bin11000001000001110…
…11011110111001101
31020102210011100022001
430010013123313031
5203012203204020
65541224152301
7636003561616
oct140407336715
936383140261
1012953959885
115548199879
122616308691
1312b59a1b29
148ac5c2c0d
1550c3aa50a
hex3041dbdcd

12953959885 has 8 divisors (see below), whose sum is σ = 15545581056. Its totient is φ = 10362615120.

The previous prime is 12953959873. The next prime is 12953959901. The reversal of 12953959885 is 58895935921.

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

It is not a de Polignac number, because 12953959885 - 25 = 12953959853 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 53920 + ... + 169750.

It is an arithmetic number, because the mean of its divisors is an integer number (1943197632).

Almost surely, 212953959885 is an apocalyptic number.

It is an amenable number.

12953959885 is a deficient number, since it is larger than the sum of its proper divisors (2591621171).

12953959885 is a wasteful number, since it uses less digits than its factorization.

12953959885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138203.

The product of its digits is 34992000, while the sum is 64.

The spelling of 12953959885 in words is "twelve billion, nine hundred fifty-three million, nine hundred fifty-nine thousand, eight hundred eighty-five".

Divisors: 1 5 22367 111835 115831 579155 2590791977 12953959885