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6120555493 = 13470811961
BaseRepresentation
bin1011011001101000…
…00100001111100101
3120210112220102201111
411230310010033211
5100013330233433
62451200425021
7304446602053
oct55464041745
916715812644
106120555493
112660991a28
121229918171
13767058790
14420c311d3
1525c4ecdcd
hex16cd043e5

6120555493 has 4 divisors (see below), whose sum is σ = 6591367468. Its totient is φ = 5649743520.

The previous prime is 6120555491. The next prime is 6120555527. The reversal of 6120555493 is 3945550216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1850978529 + 4269576964 = 43023^2 + 65342^2 .

It is a cyclic number.

It is not a de Polignac number, because 6120555493 - 21 = 6120555491 is a prime.

It is a super-2 number, since 2×61205554932 = 74922399085784946098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6120555491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235405968 + ... + 235405993.

It is an arithmetic number, because the mean of its divisors is an integer number (1647841867).

Almost surely, 26120555493 is an apocalyptic number.

It is an amenable number.

6120555493 is a deficient number, since it is larger than the sum of its proper divisors (470811975).

6120555493 is a wasteful number, since it uses less digits than its factorization.

6120555493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470811974.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6120555493 is about 78233.9791458929. The cubic root of 6120555493 is about 1829.2101952758.

The spelling of 6120555493 in words is "six billion, one hundred twenty million, five hundred fifty-five thousand, four hundred ninety-three".

Divisors: 1 13 470811961 6120555493