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912143141 = 71328135671
BaseRepresentation
bin110110010111100…
…011001100100101
32100120100200011022
4312113203030211
53332002040031
6230302220525
731414042310
oct6627431445
92316320138
10912143141
11428976708
12215584745
13116c88890
14891db977
155512997b
hex365e3325

912143141 has 16 divisors (see below), whose sum is σ = 1126664448. Its totient is φ = 719107200.

The previous prime is 912143137. The next prime is 912143171. The reversal of 912143141 is 141341219.

It is a happy number.

It is not a de Polignac number, because 912143141 - 22 = 912143137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 912143141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912143171) 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, 7736 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (70416528).

Almost surely, 2912143141 is an apocalyptic number.

912143141 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

912143141 is a deficient number, since it is larger than the sum of its proper divisors (214521307).

912143141 is a wasteful number, since it uses less digits than its factorization.

912143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35972.

The product of its digits is 864, while the sum is 26.

The square root of 912143141 is about 30201.7075841748. The cubic root of 912143141 is about 969.8122501254.

The spelling of 912143141 in words is "nine hundred twelve million, one hundred forty-three thousand, one hundred forty-one".

Divisors: 1 7 13 91 281 1967 3653 25571 35671 249697 463723 3246061 10023551 70164857 130306163 912143141