Search a number
-
+
7426996641 = 325950927479
BaseRepresentation
bin1101110101010111…
…01111100110100001
3201011121012112001200
412322223233212201
5110202302343031
63224550151413
7352022300301
oct67253574641
921147175050
107426996641
113171389559
121533352569
1391490a48c
1450654b601
152d70618e6
hex1baaef9a1

7426996641 has 24 divisors (see below), whose sum is σ = 10931544000. Its totient is φ = 4857670752.

The previous prime is 7426996613. The next prime is 7426996649. The reversal of 7426996641 is 1466996247.

It is a happy number.

It is not a de Polignac number, because 7426996641 - 210 = 7426995617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7426996649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256540 + ... + 284018.

It is an arithmetic number, because the mean of its divisors is an integer number (455481000).

Almost surely, 27426996641 is an apocalyptic number.

It is an amenable number.

7426996641 is a deficient number, since it is larger than the sum of its proper divisors (3504547359).

7426996641 is a wasteful number, since it uses less digits than its factorization.

7426996641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28053 (or 28050 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 7426996641 is about 86180.0246054734. The cubic root of 7426996641 is about 1951.0620242484.

The spelling of 7426996641 in words is "seven billion, four hundred twenty-six million, nine hundred ninety-six thousand, six hundred forty-one".

Divisors: 1 3 9 59 177 509 531 1527 4581 27479 30031 82437 90093 247311 270279 1621261 4863783 13986811 14591349 41960433 125881299 825221849 2475665547 7426996641