Search a number
-
+
3142143021 = 35092057723
BaseRepresentation
bin1011101101001001…
…0100110000101101
322002222111101220110
42323102110300231
522413342034041
61235443010233
7140602526553
oct27322246055
98088441813
103142143021
111372726616
12738369979
133b0c92134
1421b447bd3
15135cc0516
hexbb494c2d

3142143021 has 8 divisors (see below), whose sum is σ = 4197756960. Its totient is φ = 2090645552.

The previous prime is 3142142987. The next prime is 3142143041. The reversal of 3142143021 is 1203412413.

3142143021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3142143021 - 26 = 3142142957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142143041) 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, 1027335 + ... + 1030388.

It is an arithmetic number, because the mean of its divisors is an integer number (524719620).

Almost surely, 23142143021 is an apocalyptic number.

It is an amenable number.

3142143021 is a deficient number, since it is larger than the sum of its proper divisors (1055613939).

3142143021 is a wasteful number, since it uses less digits than its factorization.

3142143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058235.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3142143021 is about 56054.8215678188. The cubic root of 3142143021 is about 1464.6774085766.

Adding to 3142143021 its reverse (1203412413), we get a palindrome (4345555434).

The spelling of 3142143021 in words is "three billion, one hundred forty-two million, one hundred forty-three thousand, twenty-one".

Divisors: 1 3 509 1527 2057723 6173169 1047381007 3142143021