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58712013 = 3310512069
BaseRepresentation
bin1101111111110…
…1111111001101
311002110212202000
43133331333031
5110012241023
65454222513
71312021023
oct337757715
9132425660
1058712013
1130161228
12177b4a39
13c218949
147b24713
15524b243
hex37fdfcd

58712013 has 16 divisors (see below), whose sum is σ = 87105600. Its totient is φ = 39085200.

The previous prime is 58711993. The next prime is 58712051. The reversal of 58712013 is 31021785.

It is not a de Polignac number, because 58712013 - 25 = 58711981 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58712083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27343 + ... + 29411.

It is an arithmetic number, because the mean of its divisors is an integer number (5444100).

Almost surely, 258712013 is an apocalyptic number.

It is an amenable number.

58712013 is a deficient number, since it is larger than the sum of its proper divisors (28393587).

58712013 is a wasteful number, since it uses less digits than its factorization.

58712013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 58712013 is about 7662.3764590367. The cubic root of 58712013 is about 388.6652000876.

Adding to 58712013 its reverse (31021785), we get a palindrome (89733798).

The spelling of 58712013 in words is "fifty-eight million, seven hundred twelve thousand, thirteen".

Divisors: 1 3 9 27 1051 2069 3153 6207 9459 18621 28377 55863 2174519 6523557 19570671 58712013