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4102031142 = 2321153390893
BaseRepresentation
bin1111010010000000…
…0000011100100110
3101120212200202212100
43310200000130212
531400104444032
61515012432530
7203436455316
oct36440003446
911525622770
104102031142
111815542790
12965918746
13504ac6881
142acb13446
151901cb97c
hexf4800726

4102031142 has 48 divisors (see below), whose sum is σ = 9878673168. Its totient is φ = 1219583040.

The previous prime is 4102031123. The next prime is 4102031147. The reversal of 4102031142 is 2411302014.

4102031142 is a `hidden beast` number, since 410 + 203 + 11 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102031147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184953 + ... + 205940.

It is an arithmetic number, because the mean of its divisors is an integer number (205805691).

Almost surely, 24102031142 is an apocalyptic number.

4102031142 is an abundant number, since it is smaller than the sum of its proper divisors (5776642026).

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

4102031142 is a wasteful number, since it uses less digits than its factorization.

4102031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390965 (or 390962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4102031142 is about 64047.1009648368. The cubic root of 4102031142 is about 1600.7849198230.

Adding to 4102031142 its reverse (2411302014), we get a palindrome (6513333156).

The spelling of 4102031142 in words is "four billion, one hundred two million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 33 53 66 99 106 159 198 318 477 583 954 1166 1749 3498 5247 10494 390893 781786 1172679 2345358 3518037 4299823 7036074 8599646 12899469 20717329 25798938 38698407 41434658 62151987 77396814 124303974 186455961 227890619 372911922 455781238 683671857 1367343714 2051015571 4102031142