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109680663 = 389410789
BaseRepresentation
bin1101000100110…
…01100000010111
321122101100120210
412202121200113
5211034240123
614514500503
72501161461
oct642314027
9248340523
10109680663
1156a03784
1230894733
1319952c01
14107d1131
159967e93
hex6899817

109680663 has 8 divisors (see below), whose sum is σ = 147884400. Its totient is φ = 72298688.

The previous prime is 109680619. The next prime is 109680689. The reversal of 109680663 is 366086901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109680663 - 214 = 109664279 is a prime.

It is a super-2 number, since 2×1096806632 = 24059695672239138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109680463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205128 + ... + 205661.

It is an arithmetic number, because the mean of its divisors is an integer number (18485550).

Almost surely, 2109680663 is an apocalyptic number.

109680663 is a deficient number, since it is larger than the sum of its proper divisors (38203737).

109680663 is an equidigital number, since it uses as much as digits as its factorization.

109680663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410881.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 109680663 is about 10472.8536225806. The cubic root of 109680663 is about 478.6778764114.

The spelling of 109680663 in words is "one hundred nine million, six hundred eighty thousand, six hundred sixty-three".

Divisors: 1 3 89 267 410789 1232367 36560221 109680663