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7242185897309 = 114311527565049
BaseRepresentation
bin110100101100011001111…
…1010101111010101011101
3221122100100101110021202202
41221120303322233111131
51422123444042203214
623223003025501245
71345142055266366
oct151306372572535
927570311407682
107242185897309
112342437154590
1298b7014a1825
13406c208315cc
141b0748d30b6d
15c85bc4dd6de
hex69633eaf55d

7242185897309 has 8 divisors (see below), whose sum is σ = 7918897219200. Its totient is φ = 6568529706400.

The previous prime is 7242185897291. The next prime is 7242185897321. The reversal of 7242185897309 is 9037985812427.

7242185897309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 7242185897309 - 220 = 7242184848733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242185890309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763777784 + ... + 763787265.

It is an arithmetic number, because the mean of its divisors is an integer number (989862152400).

Almost surely, 27242185897309 is an apocalyptic number.

It is an amenable number.

7242185897309 is a deficient number, since it is larger than the sum of its proper divisors (676711321891).

7242185897309 is a wasteful number, since it uses less digits than its factorization.

7242185897309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527565491.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 7242185897309 in words is "seven trillion, two hundred forty-two billion, one hundred eighty-five million, eight hundred ninety-seven thousand, three hundred nine".

Divisors: 1 11 431 4741 1527565049 16803215539 658380536119 7242185897309