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10868669682 = 2313139341919
BaseRepresentation
bin10100001111101001…
…01011110011110010
31001001110022121220120
422013310223303302
5134224334412212
64554253151110
7533223111423
oct120764536362
931043277816
1010868669682
114678098442
122133a8b496
1310429644c0
1475168564a
1543929b88c
hex287d2bcf2

10868669682 has 16 divisors (see below), whose sum is σ = 23409442560. Its totient is φ = 3344206032.

The previous prime is 10868669681. The next prime is 10868669689. The reversal of 10868669682 is 28696686801.

It is a super-2 number, since 2×108686696822 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10868669681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69670882 + ... + 69671037.

It is an arithmetic number, because the mean of its divisors is an integer number (1463090160).

Almost surely, 210868669682 is an apocalyptic number.

10868669682 is an abundant number, since it is smaller than the sum of its proper divisors (12540772878).

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

10868669682 is a wasteful number, since it uses less digits than its factorization.

10868669682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139341937.

The product of its (nonzero) digits is 11943936, while the sum is 60.

It can be divided in two parts, 1086 and 8669682, that added together give a palindrome (8670768).

The spelling of 10868669682 in words is "ten billion, eight hundred sixty-eight million, six hundred sixty-nine thousand, six hundred eighty-two".

Divisors: 1 2 3 6 13 26 39 78 139341919 278683838 418025757 836051514 1811444947 3622889894 5434334841 10868669682