Search a number
-
+
6425140930 = 251349424161
BaseRepresentation
bin1011111101111011…
…11101111011000010
3121120210000222101121
411332331331323002
5101124314002210
62541321022454
7315135540205
oct57675757302
917523028347
106425140930
1127a790852a
1212b3924a2a
137b51a0750
1444d47993c
152791156da
hex17ef7dec2

6425140930 has 16 divisors (see below), whose sum is σ = 12454888824. Its totient is φ = 2372359680.

The previous prime is 6425140903. The next prime is 6425140933. The reversal of 6425140930 is 390415246.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2949684721 + 3475456209 = 54311^2 + 58953^2 .

It is a super-2 number, since 2×64251409302 = 82564871940722529800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6425140933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24711951 + ... + 24712210.

Almost surely, 26425140930 is an apocalyptic number.

6425140930 is a deficient number, since it is larger than the sum of its proper divisors (6029747894).

6425140930 is a wasteful number, since it uses less digits than its factorization.

6425140930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49424181.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6425140930 is about 80156.9768017732. The cubic root of 6425140930 is about 1859.0634790884.

The spelling of 6425140930 in words is "six billion, four hundred twenty-five million, one hundred forty thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 49424161 98848322 247120805 494241610 642514093 1285028186 3212570465 6425140930