Search a number
-
+
3146139919 = 13242010763
BaseRepresentation
bin1011101110000110…
…0100100100001111
322010021000110121201
42323201210210033
522420402434134
61240104410331
7140651514406
oct27341444417
98107013551
103146139919
111374a0653a
127397769a7
133b1a61470
1421bba863d
1513630e914
hexbb86490f

3146139919 has 4 divisors (see below), whose sum is σ = 3388150696. Its totient is φ = 2904129144.

The previous prime is 3146139851. The next prime is 3146139949. The reversal of 3146139919 is 9199316413.

3146139919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3146139919 - 29 = 3146139407 is a prime.

It is a super-3 number, since 3×31461399193 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3146139949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121005369 + ... + 121005394.

It is an arithmetic number, because the mean of its divisors is an integer number (847037674).

Almost surely, 23146139919 is an apocalyptic number.

3146139919 is a deficient number, since it is larger than the sum of its proper divisors (242010777).

3146139919 is a wasteful number, since it uses less digits than its factorization.

3146139919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242010776.

The product of its digits is 157464, while the sum is 46.

The square root of 3146139919 is about 56090.4619253577. The cubic root of 3146139919 is about 1465.2981829647.

The spelling of 3146139919 in words is "three billion, one hundred forty-six million, one hundred thirty-nine thousand, nine hundred nineteen".

Divisors: 1 13 242010763 3146139919