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123008216 = 2315376027
BaseRepresentation
bin1110101010011…
…11010011011000
322120110110112212
413111033103120
5222442230331
620112254252
73022360352
oct725172330
9276413485
10123008216
1163486991
1235241388
131c63b236
14124a00d2
15abebd2b
hex754f4d8

123008216 has 8 divisors (see below), whose sum is σ = 230640420. Its totient is φ = 61504104.

The previous prime is 123008213. The next prime is 123008219. The reversal of 123008216 is 612800321.

It is an interprime number because it is at equal distance from previous prime (123008213) and next prime (123008219).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 123008191 and 123008200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123008213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7688006 + ... + 7688021.

Almost surely, 2123008216 is an apocalyptic number.

It is an amenable number.

123008216 is a deficient number, since it is larger than the sum of its proper divisors (107632204).

123008216 is a wasteful number, since it uses less digits than its factorization.

123008216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15376033 (or 15376029 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 123008216 is about 11090.9069061101. The cubic root of 123008216 is about 497.3300561772.

Adding to 123008216 its reverse (612800321), we get a palindrome (735808537).

The spelling of 123008216 in words is "one hundred twenty-three million, eight thousand, two hundred sixteen".

Divisors: 1 2 4 8 15376027 30752054 61504108 123008216