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4005215142 = 23667535857
BaseRepresentation
bin1110111010111010…
…1011101110100110
3101100010112000021120
43232232223232212
531200313341032
61501233354410
7201152524035
oct35656535646
911303460246
104005215142
111775926465
12939408a06
134baa293b6
1429dd1071c
1518695562c
hexeebabba6

4005215142 has 8 divisors (see below), whose sum is σ = 8010430296. Its totient is φ = 1335071712.

The previous prime is 4005215131. The next prime is 4005215161. The reversal of 4005215142 is 2415125004.

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

4005215142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333767923 + ... + 333767934.

It is an arithmetic number, because the mean of its divisors is an integer number (1001303787).

Almost surely, 24005215142 is an apocalyptic number.

4005215142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4005215142 is a wasteful number, since it uses less digits than its factorization.

4005215142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667535862.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4005215142 is about 63286.7690911773. The cubic root of 4005215142 is about 1588.0906291928.

The spelling of 4005215142 in words is "four billion, five million, two hundred fifteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 667535857 1335071714 2002607571 4005215142