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123379216 = 247711201
BaseRepresentation
bin1110101101010…
…01111000010000
322121011022110121
413112221320100
5223041113331
620124240024
73025464112
oct726517020
9277138417
10123379216
116370a6a4
12353a0014
131c73b06c
14125593b2
15ac71c11
hex75a9e10

123379216 has 10 divisors (see below), whose sum is σ = 239047262. Its totient is φ = 61689600.

The previous prime is 123379211. The next prime is 123379219. The reversal of 123379216 is 612973321.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 6739216 = 10800^2 + 2596^2 .

It is not an unprimeable number, because it can be changed into a prime (123379211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3855585 + ... + 3855616.

Almost surely, 2123379216 is an apocalyptic number.

123379216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123379216 is a deficient number, since it is larger than the sum of its proper divisors (115668046).

123379216 is an equidigital number, since it uses as much as digits as its factorization.

123379216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711209 (or 7711203 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 123379216 is about 11107.6197270162. The cubic root of 123379216 is about 497.8295465634.

The spelling of 123379216 in words is "one hundred twenty-three million, three hundred seventy-nine thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 7711201 15422402 30844804 61689608 123379216