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4020213512 = 23771789527
BaseRepresentation
bin1110111110011111…
…1001011100001000
3101101011202000011202
43233213321130020
531213133313022
61502531043332
7201424152050
oct35747713410
911334660152
104020213512
11178333aa07
12942440548
134c0b7b083
142a1cd6560
15187e19592
hexef9f9708

4020213512 has 16 divisors (see below), whose sum is σ = 8614743360. Its totient is φ = 1722948624.

The previous prime is 4020213487. The next prime is 4020213521. The reversal of 4020213512 is 2153120204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35894708 + ... + 35894819.

It is an arithmetic number, because the mean of its divisors is an integer number (538421460).

Almost surely, 24020213512 is an apocalyptic number.

It is an amenable number.

4020213512 is an abundant number, since it is smaller than the sum of its proper divisors (4594529848).

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

4020213512 is a wasteful number, since it uses less digits than its factorization.

4020213512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71789540 (or 71789536 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4020213512 is about 63405.1536706599. The cubic root of 4020213512 is about 1590.0704729915.

Adding to 4020213512 its reverse (2153120204), we get a palindrome (6173333716).

The spelling of 4020213512 in words is "four billion, twenty million, two hundred thirteen thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 71789527 143579054 287158108 502526689 574316216 1005053378 2010106756 4020213512