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6058480981 = 72123642469
BaseRepresentation
bin1011010010001110…
…10001010101010101
3120122020002201111111
411221013101111111
544401432342411
62441102135021
7303064144600
oct55107212525
916566081444
106058480981
112629944483
121210b81471
137572334b7
144168b3337
15256d3a721
hex1691d1555

6058480981 has 6 divisors (see below), whose sum is σ = 7047620790. Its totient is φ = 5192983656.

The previous prime is 6058480957. The next prime is 6058481003. The reversal of 6058480981 is 1890848506.

It can be written as a sum of positive squares in only one way, i.e., 5869858225 + 188622756 = 76615^2 + 13734^2 .

It is not a de Polignac number, because 6058480981 - 29 = 6058480469 is a prime.

It is a super-2 number, since 2×60584809812 = 73410383594277444722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 123642469 = 6058480981 / (6 + 0 + 5 + 8 + 4 + 8 + 0 + 9 + 8 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6058480921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61821186 + ... + 61821283.

It is an arithmetic number, because the mean of its divisors is an integer number (1174603465).

Almost surely, 26058480981 is an apocalyptic number.

It is an amenable number.

6058480981 is a deficient number, since it is larger than the sum of its proper divisors (989139809).

6058480981 is a wasteful number, since it uses less digits than its factorization.

6058480981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123642483 (or 123642476 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 6058480981 is about 77836.2446486211. The cubic root of 6058480981 is about 1823.0052371031.

The spelling of 6058480981 in words is "six billion, fifty-eight million, four hundred eighty thousand, nine hundred eighty-one".

Divisors: 1 7 49 123642469 865497283 6058480981