Search a number
-
+
26904016674 = 23583965981
BaseRepresentation
bin11001000011100110…
…101011011100100010
32120102222122122200000
4121003212223130202
5420044412013144
620205354240430
71641464240253
oct310346533442
976388578600
1026904016674
1110456685a27
12526a126116
1326c9b453c2
1414331b8b2a
15a76e25769
hex6439ab722

26904016674 has 48 divisors (see below), whose sum is σ = 60523968960. Its totient is φ = 8957180880.

The previous prime is 26904016661. The next prime is 26904016679. The reversal of 26904016674 is 47661040962.

It is a super-2 number, since 2×269040166742 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26904016679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374764 + ... + 440744.

It is an arithmetic number, because the mean of its divisors is an integer number (1260916020).

Almost surely, 226904016674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26904016674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30261984480).

26904016674 is an abundant number, since it is smaller than the sum of its proper divisors (33619952286).

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

26904016674 is an equidigital number, since it uses as much as digits as its factorization.

26904016674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66837 (or 66825 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 26904016674 in words is "twenty-six billion, nine hundred four million, sixteen thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 839 1678 2517 5034 7551 15102 22653 45306 65981 67959 131962 135918 197943 203877 395886 407754 593829 1187658 1781487 3562974 5344461 10688922 16033383 32066766 55358059 110716118 166074177 332148354 498222531 996445062 1494667593 2989335186 4484002779 8968005558 13452008337 26904016674