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1206662013 = 32197056503
BaseRepresentation
bin100011111101100…
…0011001101111101
310010002112210002200
41013323003031331
54432401141023
6315422542113
741621313024
oct10773031575
93102483080
101206662013
1156a147037
12298137939
13162cb78bb
14b63858bb
1570e04743
hex47ec337d

1206662013 has 12 divisors (see below), whose sum is σ = 1834691040. Its totient is φ = 762102216.

The previous prime is 1206662003. The next prime is 1206662029. The reversal of 1206662013 is 3102666021.

It is not a de Polignac number, because 1206662013 - 24 = 1206661997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206662003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3528081 + ... + 3528422.

It is an arithmetic number, because the mean of its divisors is an integer number (152890920).

Almost surely, 21206662013 is an apocalyptic number.

It is an amenable number.

1206662013 is a deficient number, since it is larger than the sum of its proper divisors (628029027).

1206662013 is a wasteful number, since it uses less digits than its factorization.

1206662013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056528 (or 7056525 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1206662013 is about 34737.0409361534. The cubic root of 1206662013 is about 1064.6214537737.

The spelling of 1206662013 in words is "one billion, two hundred six million, six hundred sixty-two thousand, thirteen".

Divisors: 1 3 9 19 57 171 7056503 21169509 63508527 134073557 402220671 1206662013