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4913047989 = 323171248021
BaseRepresentation
bin1001001001101011…
…10010100110110101
3110200101202200211100
410210311302212311
540030220013424
62131303400313
7232515135033
oct44465624665
913611680740
104913047989
1120a1318743
12b51453099
13603b360b5
14348709553
151db4ccdc9
hex124d729b5

4913047989 has 24 divisors (see below), whose sum is σ = 7428754944. Its totient is φ = 3125052000.

The previous prime is 4913047981. The next prime is 4913048017. The reversal of 4913047989 is 9897403194.

4913047989 is a `hidden beast` number, since 4 + 91 + 3 + 0 + 479 + 89 = 666.

It is not a de Polignac number, because 4913047989 - 23 = 4913047981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4913047981) 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 23 ways as a sum of consecutive naturals, for example, 104202 + ... + 143819.

It is an arithmetic number, because the mean of its divisors is an integer number (309531456).

Almost surely, 24913047989 is an apocalyptic number.

It is an amenable number.

4913047989 is a deficient number, since it is larger than the sum of its proper divisors (2515706955).

4913047989 is a wasteful number, since it uses less digits than its factorization.

4913047989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248129 (or 248126 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 4913047989 is about 70093.1379594322. The cubic root of 4913047989 is about 1700.0055350454.

The spelling of 4913047989 in words is "four billion, nine hundred thirteen million, forty-seven thousand, nine hundred eighty-nine".

Divisors: 1 3 9 31 71 93 213 279 639 2201 6603 19809 248021 744063 2232189 7688651 17609491 23065953 52828473 69197859 158485419 545894221 1637682663 4913047989