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123300140 = 2256165007
BaseRepresentation
bin1110101100101…
…10100100101100
322121000021222212
413112112210230
5223031101030
620122425552
73025014425
oct726264454
9277007885
10123300140
1163666247
12353622b8
131c711082
141253864c
15ac58595
hex759692c

123300140 has 12 divisors (see below), whose sum is σ = 258930336. Its totient is φ = 49320048.

The previous prime is 123300131. The next prime is 123300187. The reversal of 123300140 is 41003321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082484 + ... + 3082523.

It is an arithmetic number, because the mean of its divisors is an integer number (21577528).

Almost surely, 2123300140 is an apocalyptic number.

123300140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123300140 is an abundant number, since it is smaller than the sum of its proper divisors (135630196).

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

123300140 is a wasteful number, since it uses less digits than its factorization.

123300140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165016 (or 6165014 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123300140 is about 11104.0596179956. The cubic root of 123300140 is about 497.7231678077.

Adding to 123300140 its reverse (41003321), we get a palindrome (164303461).

The spelling of 123300140 in words is "one hundred twenty-three million, three hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6165007 12330014 24660028 30825035 61650070 123300140