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10628689979 = 29366506551
BaseRepresentation
bin10011110011000010…
…01111000000111011
31000102201202101122102
421321201033000323
5133231421034404
64514401414015
7524250242225
oct117141170073
930381671572
1010628689979
114564689106
12208763a30b
13100501c98b
1472b857415
1542319671e
hex27984f03b

10628689979 has 4 divisors (see below), whose sum is σ = 10995196560. Its totient is φ = 10262183400.

The previous prime is 10628689963. The next prime is 10628689993. The reversal of 10628689979 is 97998682601.

10628689979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10628689979 - 24 = 10628689963 is a prime.

It is a super-2 number, since 2×106286899792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10628689999) 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 3 ways as a sum of consecutive naturals, for example, 183253247 + ... + 183253304.

It is an arithmetic number, because the mean of its divisors is an integer number (2748799140).

Almost surely, 210628689979 is an apocalyptic number.

10628689979 is a deficient number, since it is larger than the sum of its proper divisors (366506581).

10628689979 is an equidigital number, since it uses as much as digits as its factorization.

10628689979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366506580.

The product of its (nonzero) digits is 23514624, while the sum is 65.

The spelling of 10628689979 in words is "ten billion, six hundred twenty-eight million, six hundred eighty-nine thousand, nine hundred seventy-nine".

Divisors: 1 29 366506551 10628689979