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3072001111 = 197312231811
BaseRepresentation
bin1011011100011011…
…0000010001010111
321221002111211021221
42313012300101113
522242413013421
61224455351211
7136061402314
oct26706602127
97832454257
103072001111
1113370789a3
12718982507
1339c5a3b4a
14211dc9d0b
1512ea67841
hexb71b0457

3072001111 has 16 divisors (see below), whose sum is σ = 3282474240. Its totient is φ = 2866518720.

The previous prime is 3072001103. The next prime is 3072001129. The reversal of 3072001111 is 1111002703.

3072001111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3072001111 - 23 = 3072001103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072001151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695396 + ... + 1697206.

It is an arithmetic number, because the mean of its divisors is an integer number (205154640).

Almost surely, 23072001111 is an apocalyptic number.

3072001111 is a deficient number, since it is larger than the sum of its proper divisors (210473129).

3072001111 is a wasteful number, since it uses less digits than its factorization.

3072001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 3072001111 is about 55425.6358646430. The cubic root of 3072001111 is about 1453.6966495106.

Adding to 3072001111 its reverse (1111002703), we get a palindrome (4183003814).

The spelling of 3072001111 in words is "three billion, seventy-two million, one thousand, one hundred eleven".

Divisors: 1 19 73 1223 1387 1811 23237 34409 89279 132203 1696301 2214853 2511857 42082207 161684269 3072001111