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101143135 = 5131154417
BaseRepresentation
bin1100000011101…
…01001001011111
321001022121022001
412001311021133
5201343040020
614011503131
72335462642
oct601651137
9231277261
10101143135
1152102375
1229a57aa7
1317c53c12
14d60ba59
158d2d50a
hex607525f

101143135 has 8 divisors (see below), whose sum is σ = 122299056. Its totient is φ = 80296320.

The previous prime is 101143129. The next prime is 101143139. The reversal of 101143135 is 531341101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101143135 - 29 = 101142623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101143139) 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, 76554 + ... + 77863.

It is an arithmetic number, because the mean of its divisors is an integer number (15287382).

Almost surely, 2101143135 is an apocalyptic number.

101143135 is a deficient number, since it is larger than the sum of its proper divisors (21155921).

101143135 is a wasteful number, since it uses less digits than its factorization.

101143135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154553.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 101143135 is about 10056.9943323043. The cubic root of 101143135 is about 465.9208406865.

Adding to 101143135 its reverse (531341101), we get a palindrome (632484236).

The spelling of 101143135 in words is "one hundred one million, one hundred forty-three thousand, one hundred thirty-five".

Divisors: 1 5 131 655 154417 772085 20228627 101143135