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42143234124 = 22317206584481
BaseRepresentation
bin100111001111111011…
…101011100001001100
311000210000221010000010
4213033323223201030
51142302131442444
631205455433220
73021230402535
oct471773534114
9130700833003
1042143234124
1116966836612
128201825810
133c880ca034
14207b0ad68c
151169c3e2b9
hex9cfeeb84c

42143234124 has 24 divisors (see below), whose sum is σ = 104118578928. Its totient is φ = 13221406720.

The previous prime is 42143234113. The next prime is 42143234129.

42143234124 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42143234091 and 42143234100.

It is not an unprimeable number, because it can be changed into a prime (42143234129) 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, 103292037 + ... + 103292444.

It is an arithmetic number, because the mean of its divisors is an integer number (4338274122).

Almost surely, 242143234124 is an apocalyptic number.

It is an amenable number.

42143234124 is an abundant number, since it is smaller than the sum of its proper divisors (61975344804).

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

42143234124 is a wasteful number, since it uses less digits than its factorization.

42143234124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206584505 (or 206584503 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The spelling of 42143234124 in words is "forty-two billion, one hundred forty-three million, two hundred thirty-four thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 206584481 413168962 619753443 826337924 1239506886 2479013772 3511936177 7023872354 10535808531 14047744708 21071617062 42143234124