Search a number
-
+
12642801342 = 233476072431
BaseRepresentation
bin10111100011001000…
…11101011010111110
31012122002122212000120
423301210131122332
5201343024120332
65450311035410
7625205016063
oct136144353276
935562585016
1012642801342
1153a8593856
12254a06bb66
131266398052
1487d146c6a
154dede532c
hex2f191d6be

12642801342 has 16 divisors (see below), whose sum is σ = 25358476032. Its totient is φ = 4202121560.

The previous prime is 12642801341. The next prime is 12642801373. The reversal of 12642801342 is 24310824621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642801341) 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, 3034134 + ... + 3038297.

It is an arithmetic number, because the mean of its divisors is an integer number (1584904752).

Almost surely, 212642801342 is an apocalyptic number.

12642801342 is an abundant number, since it is smaller than the sum of its proper divisors (12715674690).

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

12642801342 is a wasteful number, since it uses less digits than its factorization.

12642801342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072783.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 12642801342 in words is "twelve billion, six hundred forty-two million, eight hundred one thousand, three hundred forty-two".

Divisors: 1 2 3 6 347 694 1041 2082 6072431 12144862 18217293 36434586 2107133557 4214267114 6321400671 12642801342