Search a number
-
+
7740047137 = 191143328279
BaseRepresentation
bin1110011010101011…
…11011111100100001
3201222102021010121111
413031111323330201
5111322423002022
63320012023321
7362543213044
oct71525737441
921872233544
107740047137
113312066a79
121600161b41
13964727464
14535d5ac5b
1530479c477
hex1cd57bf21

7740047137 has 8 divisors (see below), whose sum is σ = 7786275840. Its totient is φ = 7693878240.

The previous prime is 7740047129. The next prime is 7740047153. The reversal of 7740047137 is 7317400477.

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 7740047137 - 23 = 7740047129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7740047137.

It is not an unprimeable number, because it can be changed into a prime (7740147137) 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, 259564 + ... + 287842.

It is an arithmetic number, because the mean of its divisors is an integer number (973284480).

Almost surely, 27740047137 is an apocalyptic number.

It is an amenable number.

7740047137 is a deficient number, since it is larger than the sum of its proper divisors (46228703).

7740047137 is a wasteful number, since it uses less digits than its factorization.

7740047137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29903.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 7740047137 is about 87977.5376843430. The cubic root of 7740047137 is about 1978.0982945588.

The spelling of 7740047137 in words is "seven billion, seven hundred forty million, forty-seven thousand, one hundred thirty-seven".

Divisors: 1 191 1433 28279 273703 5401289 40523807 7740047137