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7418013838 = 230197122827
BaseRepresentation
bin1101110100010010…
…11110100010001110
3201010222022010222021
412322021132202032
5110143002420323
63224025440354
7351553035334
oct67211364216
921128263867
107418013838
113167303654
1215303400ba
13912ab3901
1450528db54
152d638a05d
hex1ba25e88e

7418013838 has 8 divisors (see below), whose sum is σ = 11127479832. Its totient is φ = 3708853896.

The previous prime is 7418013821. The next prime is 7418013853. The reversal of 7418013838 is 8383108147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7418013794 and 7418013803.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1020 + ... + 121807.

It is an arithmetic number, because the mean of its divisors is an integer number (1390934979).

Almost surely, 27418013838 is an apocalyptic number.

7418013838 is a deficient number, since it is larger than the sum of its proper divisors (3709465994).

7418013838 is a wasteful number, since it uses less digits than its factorization.

7418013838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153026.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 7418013838 is about 86127.8923345974. The cubic root of 7418013838 is about 1950.2751168264.

The spelling of 7418013838 in words is "seven billion, four hundred eighteen million, thirteen thousand, eight hundred thirty-eight".

Divisors: 1 2 30197 60394 122827 245654 3709006919 7418013838