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13146928518 = 233715958967
BaseRepresentation
bin11000011111001111…
…00011010110000110
31020221020021011111110
430033213203112012
5203411103203033
610012320145450
7643536022443
oct141747432606
936836234443
1013146928518
115637109a89
12266aa68286
131316966859
148ca0949ca
1551e2c6363
hex30f9e3586

13146928518 has 16 divisors (see below), whose sum is σ = 26295010560. Its totient is φ = 4382117256.

The previous prime is 13146928511. The next prime is 13146928519. The reversal of 13146928518 is 81582964131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146928511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193471 + ... + 252437.

It is an arithmetic number, because the mean of its divisors is an integer number (1643438160).

Almost surely, 213146928518 is an apocalyptic number.

13146928518 is an abundant number, since it is smaller than the sum of its proper divisors (13148082042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13146928518 is a wasteful number, since it uses less digits than its factorization.

13146928518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96131.

The product of its digits is 414720, while the sum is 48.

The spelling of 13146928518 in words is "thirteen billion, one hundred forty-six million, nine hundred twenty-eight thousand, five hundred eighteen".

Divisors: 1 2 3 6 37159 58967 74318 111477 117934 176901 222954 353802 2191154753 4382309506 6573464259 13146928518