Search a number
-
+
26469494863 = 731791997759
BaseRepresentation
bin11000101001101101…
…000111000001001111
32112022201000122210121
4120221231013001033
5413202142313423
620054313045411
71624636664650
oct305155070117
975281018717
1026469494863
1110253381299
1251686b6867
13265ab078c6
1413d15c9527
15a4dbe345d
hex629b4704f

26469494863 has 32 divisors (see below), whose sum is σ = 31784960000. Its totient is φ = 21566619360.

The previous prime is 26469494851. The next prime is 26469494879. The reversal of 26469494863 is 36849496462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26469494863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26469494803) 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 31 ways as a sum of consecutive naturals, for example, 3407578 + ... + 3415336.

It is an arithmetic number, because the mean of its divisors is an integer number (993280000).

Almost surely, 226469494863 is an apocalyptic number.

26469494863 is a deficient number, since it is larger than the sum of its proper divisors (5315465137).

26469494863 is a wasteful number, since it uses less digits than its factorization.

26469494863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its digits is 53747712, while the sum is 61.

The spelling of 26469494863 in words is "twenty-six billion, four hundred sixty-nine million, four hundred ninety-four thousand, eight hundred sixty-three".

Divisors: 1 7 31 79 199 217 553 1393 2449 6169 7759 15721 17143 43183 54313 110047 240529 487351 612961 1544041 1683703 3411457 4290727 10808287 19001791 47865271 121979239 133012537 335056897 853854673 3781356409 26469494863