Search a number
-
+
3111152042 = 213513115117
BaseRepresentation
bin1011100101110000…
…0110100110101010
322000211011220021102
42321130012212222
522332423331132
61232414441402
7140045233055
oct27134064652
98024156242
103111152042
111357189639
12729b03262
133a773108b
1421729ba9c
151331ecc62
hexb97069aa

3111152042 has 8 divisors (see below), whose sum is σ = 4667113956. Its totient is φ = 1555447392.

The previous prime is 3111152029. The next prime is 3111152059. The reversal of 3111152042 is 2402511113.

3111152042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2714305801 + 396846241 = 52099^2 + 19921^2 .

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

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, 30533 + ... + 84584.

Almost surely, 23111152042 is an apocalyptic number.

3111152042 is a deficient number, since it is larger than the sum of its proper divisors (1555961914).

3111152042 is a wasteful number, since it uses less digits than its factorization.

3111152042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128632.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 3111152042 is about 55777.7020143354. The cubic root of 3111152042 is about 1459.8461153254.

Adding to 3111152042 its reverse (2402511113), we get a palindrome (5513663155).

The spelling of 3111152042 in words is "three billion, one hundred eleven million, one hundred fifty-two thousand, forty-two".

Divisors: 1 2 13513 27026 115117 230234 1555576021 3111152042