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7842028323 = 32614009441
BaseRepresentation
bin1110100110110101…
…11101101100100011
3202020112011022111110
413103122331230203
5112030024401243
63334053514403
7365222066223
oct72332755443
922215138443
107842028323
113364690a48
12162a342a03
1397c8b295c
14545706083
1530d6e3e33
hex1d36bdb23

7842028323 has 4 divisors (see below), whose sum is σ = 10456037768. Its totient is φ = 5228018880.

The previous prime is 7842028237. The next prime is 7842028361. The reversal of 7842028323 is 3238202487.

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

It is not a de Polignac number, because 7842028323 - 210 = 7842027299 is a prime.

It is a super-2 number, since 2×78420283232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7842028123) 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, 1307004718 + ... + 1307004723.

It is an arithmetic number, because the mean of its divisors is an integer number (2614009442).

Almost surely, 27842028323 is an apocalyptic number.

7842028323 is a deficient number, since it is larger than the sum of its proper divisors (2614009445).

7842028323 is a wasteful number, since it uses less digits than its factorization.

7842028323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614009444.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 7842028323 is about 88555.2275306207. The cubic root of 7842028323 is about 1986.7480808371.

The spelling of 7842028323 in words is "seven billion, eight hundred forty-two million, twenty-eight thousand, three hundred twenty-three".

Divisors: 1 3 2614009441 7842028323