Search a number
-
+
7672650009 = 331127649619
BaseRepresentation
bin1110010010101001…
…10101100100011001
3201210201110000010120
413021110311210121
5111203144300014
63305203303453
7361064310003
oct71124654431
921721400116
107672650009
113288013572
1215a167ab89
1395378a5bb
1452b015373
152ed8d7ba9
hex1c9535919

7672650009 has 16 divisors (see below), whose sum is σ = 10643374080. Its totient is φ = 4911112080.

The previous prime is 7672649953. The next prime is 7672650043. The reversal of 7672650009 is 9000562767.

It is a happy number.

It is not a de Polignac number, because 7672650009 - 215 = 7672617241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7672650049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312999 + ... + 336620.

It is an arithmetic number, because the mean of its divisors is an integer number (665210880).

Almost surely, 27672650009 is an apocalyptic number.

It is an amenable number.

7672650009 is a deficient number, since it is larger than the sum of its proper divisors (2970724071).

7672650009 is a wasteful number, since it uses less digits than its factorization.

7672650009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649780.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 7672650009 is about 87593.6642058089. The cubic root of 7672650009 is about 1972.3400614711.

The spelling of 7672650009 in words is "seven billion, six hundred seventy-two million, six hundred fifty thousand, nine".

Divisors: 1 3 31 93 127 381 3937 11811 649619 1948857 20138189 60414567 82501613 247504839 2557550003 7672650009