Search a number
-
+
6428130078 = 234332474261
BaseRepresentation
bin1011111110010010…
…10111101100011110
3121120222122211201210
411333021113230132
5101131100130303
62541505045250
7315203130006
oct57711275436
917528584653
106428130078
1127a956a2a7
1212b4926826
137b59a9186
1444da17006
15279506203
hex17f257b1e

6428130078 has 16 divisors (see below), whose sum is σ = 12885956496. Its totient is φ = 2137760640.

The previous prime is 6428130077. The next prime is 6428130097. The reversal of 6428130078 is 8700318246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428130077) 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, 1234533 + ... + 1239728.

It is an arithmetic number, because the mean of its divisors is an integer number (805372281).

Almost surely, 26428130078 is an apocalyptic number.

6428130078 is an abundant number, since it is smaller than the sum of its proper divisors (6457826418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428130078 is a wasteful number, since it uses less digits than its factorization.

6428130078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474699.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 6428130078 is about 80175.6202221099. The cubic root of 6428130078 is about 1859.3517298005.

The spelling of 6428130078 in words is "six billion, four hundred twenty-eight million, one hundred thirty thousand, seventy-eight".

Divisors: 1 2 3 6 433 866 1299 2598 2474261 4948522 7422783 14845566 1071355013 2142710026 3214065039 6428130078