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3013997889 = 37220503387
BaseRepresentation
bin1011001110100101…
…1111010101000001
321210001100221211110
42303221133111001
522133040413024
61215024233533
7134455362600
oct26351372501
97701327743
103013997889
111307361251
1270146b8a9
13390575a06
1420840ba37
1512990b629
hexb3a5f541

3013997889 has 12 divisors (see below), whose sum is σ = 4674772464. Its totient is φ = 1722284424.

The previous prime is 3013997867. The next prime is 3013997929. The reversal of 3013997889 is 9887993103.

It is not a de Polignac number, because 3013997889 - 28 = 3013997633 is a prime.

It is a super-4 number, since 4×30139978894 (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3013997089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10251547 + ... + 10251840.

It is an arithmetic number, because the mean of its divisors is an integer number (389564372).

Almost surely, 23013997889 is an apocalyptic number.

It is an amenable number.

3013997889 is a deficient number, since it is larger than the sum of its proper divisors (1660774575).

3013997889 is a wasteful number, since it uses less digits than its factorization.

3013997889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20503404 (or 20503397 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 3013997889 is about 54899.8896993427. The cubic root of 3013997889 is about 1444.4892515316.

The spelling of 3013997889 in words is "three billion, thirteen million, nine hundred ninety-seven thousand, eight hundred eighty-nine".

Divisors: 1 3 7 21 49 147 20503387 61510161 143523709 430571127 1004665963 3013997889