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3670661493 = 321912135347
BaseRepresentation
bin1101101011001001…
…1101100101110101
3100110210222220221200
43122302131211311
530004142131433
61404123003113
7156651052002
oct33262354565
910423886850
103670661493
111613aa1344
12865369499
13466620a65
1426b7048a9
151673bd613
hexdac9d975

3670661493 has 12 divisors (see below), whose sum is σ = 5329828608. Its totient is φ = 2434294440.

The previous prime is 3670661473. The next prime is 3670661537. The reversal of 3670661493 is 3941660763.

3670661493 is a `hidden beast` number, since 36 + 70 + 6 + 61 + 493 = 666.

It is not a de Polignac number, because 3670661493 - 224 = 3653884277 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 (3670661453) 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, 1065955 + ... + 1069392.

It is an arithmetic number, because the mean of its divisors is an integer number (444152384).

Almost surely, 23670661493 is an apocalyptic number.

It is an amenable number.

3670661493 is a deficient number, since it is larger than the sum of its proper divisors (1659167115).

3670661493 is a wasteful number, since it uses less digits than its factorization.

3670661493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135544 (or 2135541 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 3670661493 is about 60585.9842950496. The cubic root of 3670661493 is about 1542.5814763625.

The spelling of 3670661493 in words is "three billion, six hundred seventy million, six hundred sixty-one thousand, four hundred ninety-three".

Divisors: 1 3 9 191 573 1719 2135347 6406041 19218123 407851277 1223553831 3670661493