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13000077 = 326721559
BaseRepresentation
bin110001100101…
…110110001101
3220110110202100
4301211312031
511312000302
61142345313
7215333046
oct61456615
926413670
1013000077
11737a172
12442b239
13290226c
141a258cd
15121bd1c
hexc65d8d

13000077 has 12 divisors (see below), whose sum is σ = 19059040. Its totient is φ = 8536968.

The previous prime is 13000069. The next prime is 13000081. The reversal of 13000077 is 77000031.

It is not a de Polignac number, because 13000077 - 23 = 13000069 is a prime.

It is a Duffinian number.

13000077 is a modest number, since divided by 77 gives 13 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10177 + ... + 11382.

Almost surely, 213000077 is an apocalyptic number.

It is an amenable number.

13000077 is a deficient number, since it is larger than the sum of its proper divisors (6058963).

13000077 is a wasteful number, since it uses less digits than its factorization.

13000077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21632 (or 21629 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 13000077 is about 3605.5619534270. The cubic root of 13000077 is about 235.1339330090.

The spelling of 13000077 in words is "thirteen million, seventy-seven", and thus it is an aban number and an uban number.

Divisors: 1 3 9 67 201 603 21559 64677 194031 1444453 4333359 13000077