Search a number
-
+
10656252646 = 2137947910831
BaseRepresentation
bin10011110110010100…
…11000001011100110
31000111122121201111221
421323022120023212
5133311000041041
64521224250554
7525033436654
oct117312301346
930448551457
1010656252646
1145791a4376
122094910a5a
13100a950450
1473138ddd4
154257dd2d1
hex27b2982e6

10656252646 has 32 divisors (see below), whose sum is σ = 17469849600. Its totient is φ = 4845428640.

The previous prime is 10656252643. The next prime is 10656252653. The reversal of 10656252646 is 64625265601.

It is a happy number.

10656252646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106562526462 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656252643) 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 15 ways as a sum of consecutive naturals, for example, 978451 + ... + 989281.

It is an arithmetic number, because the mean of its divisors is an integer number (545932800).

Almost surely, 210656252646 is an apocalyptic number.

10656252646 is a deficient number, since it is larger than the sum of its proper divisors (6813596954).

10656252646 is a wasteful number, since it uses less digits than its factorization.

10656252646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404.

The product of its (nonzero) digits is 518400, while the sum is 43.

It can be divided in two parts, 10 and 656252646, that added together give a palindrome (656252656).

The spelling of 10656252646 in words is "ten billion, six hundred fifty-six million, two hundred fifty-two thousand, six hundred forty-six".

Divisors: 1 2 13 26 79 158 479 958 1027 2054 6227 10831 12454 21662 37841 75682 140803 281606 491933 855649 983866 1711298 5188049 10376098 11123437 22246874 67444637 134889274 409855871 819711742 5328126323 10656252646