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7398009145 = 51999740171
BaseRepresentation
bin1101110001111010…
…01010100100111001
3201002120122210200201
412320331022210321
5110122342243040
63222033002201
7351221016532
oct67075124471
921076583621
107398009145
113156a8a84a
1215256b3361
1390b8cb307
14502763689
152d4737a9a
hex1b8f4a939

7398009145 has 8 divisors (see below), whose sum is σ = 8882064000. Its totient is φ = 5915438640.

The previous prime is 7398009139. The next prime is 7398009163. The reversal of 7398009145 is 5419008937.

It is a happy number.

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

It is not a de Polignac number, because 7398009145 - 23 = 7398009137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7398009095 and 7398009104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360091 + ... + 380080.

It is an arithmetic number, because the mean of its divisors is an integer number (1110258000).

Almost surely, 27398009145 is an apocalyptic number.

It is an amenable number.

7398009145 is a deficient number, since it is larger than the sum of its proper divisors (1484054855).

7398009145 is a wasteful number, since it uses less digits than its factorization.

7398009145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742175.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 7398009145 is about 86011.6802823896. The cubic root of 7398009145 is about 1948.5203893175.

The spelling of 7398009145 in words is "seven billion, three hundred ninety-eight million, nine thousand, one hundred forty-five".

Divisors: 1 5 1999 9995 740171 3700855 1479601829 7398009145