Search a number
-
+
12834865407 = 371347014159
BaseRepresentation
bin10111111010000010…
…01000000011111111
31020010111001201101110
423331001020003333
5202241211143112
65521331413103
7633026361450
oct137501100377
936114051343
1012834865407
115496a46391
1225a2454193
131297104120
1489a861127
15501bd313c
hex2fd0480ff

12834865407 has 16 divisors (see below), whose sum is σ = 21062343680. Its totient is φ = 6770038752.

The previous prime is 12834865399. The next prime is 12834865409. The reversal of 12834865407 is 70456843821.

It is not a de Polignac number, because 12834865407 - 23 = 12834865399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12834865409) 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, 23506807 + ... + 23507352.

It is an arithmetic number, because the mean of its divisors is an integer number (1316396480).

Almost surely, 212834865407 is an apocalyptic number.

12834865407 is a deficient number, since it is larger than the sum of its proper divisors (8227478273).

12834865407 is a wasteful number, since it uses less digits than its factorization.

12834865407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47014182.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 12834865407 in words is "twelve billion, eight hundred thirty-four million, eight hundred sixty-five thousand, four hundred seven".

Divisors: 1 3 7 13 21 39 91 273 47014159 141042477 329099113 611184067 987297339 1833552201 4278288469 12834865407