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13013042 = 271019203
BaseRepresentation
bin110001101001…
…000000110010
3220111010112112
4301221000302
511312404132
61142525322
7215415620
oct61510062
926433475
1013013042
117388989
124436842
132908133
141a2a510
151220ab2
hexc69032

13013042 has 16 divisors (see below), whose sum is σ = 22531392. Its totient is φ = 5521200.

The previous prime is 13013027. The next prime is 13013057. The reversal of 13013042 is 24031031.

It is an interprime number because it is at equal distance from previous prime (13013027) and next prime (13013057).

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 3188 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (1408212).

Almost surely, 213013042 is an apocalyptic number.

13013042 is a deficient number, since it is larger than the sum of its proper divisors (9518350).

13013042 is a wasteful number, since it uses less digits than its factorization.

13013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13013042 is about 3607.3594220704. The cubic root of 13013042 is about 235.2120735353.

Adding to 13013042 its reverse (24031031), we get a palindrome (37044073).

The spelling of 13013042 in words is "thirteen million, thirteen thousand, forty-two".

Divisors: 1 2 7 14 101 202 707 1414 9203 18406 64421 128842 929503 1859006 6506521 13013042