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6243039145 = 57178372547
BaseRepresentation
bin1011101000001110…
…10011011110101001
3121010002101020201001
411310013103132221
5100241204223040
62511253555001
7310464646210
oct56407233651
917102336631
106243039145
11271403a792
121262945a61
13786542005
144331d6077
1526814459a
hex1741d37a9

6243039145 has 8 divisors (see below), whose sum is σ = 8561882304. Its totient is φ = 4280941104.

The previous prime is 6243039139. The next prime is 6243039181. The reversal of 6243039145 is 5419303426.

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 6243039145 - 227 = 6108821417 is a prime.

It is a Duffinian number.

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, 89186239 + ... + 89186308.

It is an arithmetic number, because the mean of its divisors is an integer number (1070235288).

Almost surely, 26243039145 is an apocalyptic number.

It is an amenable number.

6243039145 is a deficient number, since it is larger than the sum of its proper divisors (2318843159).

6243039145 is a wasteful number, since it uses less digits than its factorization.

6243039145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178372559.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 6243039145 is about 79012.9049269801. The cubic root of 6243039145 is about 1841.3316550482.

The spelling of 6243039145 in words is "six billion, two hundred forty-three million, thirty-nine thousand, one hundred forty-five".

Divisors: 1 5 7 35 178372547 891862735 1248607829 6243039145