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12103232043 = 37576344383
BaseRepresentation
bin10110100010110100…
…01010101000101011
31011020111100220002110
423101122022220223
5144241411411133
65320554133403
7605633526540
oct132132125053
934214326073
1012103232043
115150a60411
122419421263
1311ab66a486
1482b610bc7
154ac862c63
hex2d168aa2b

12103232043 has 8 divisors (see below), whose sum is σ = 18443020288. Its totient is φ = 6916132584.

The previous prime is 12103232039. The next prime is 12103232077. The reversal of 12103232043 is 34023230121.

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

It is not a de Polignac number, because 12103232043 - 22 = 12103232039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 576344383 = 12103232043 / (1 + 2 + 1 + 0 + 3 + 2 + 3 + 2 + 0 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (12103232003) 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, 288172171 + ... + 288172212.

It is an arithmetic number, because the mean of its divisors is an integer number (2305377536).

Almost surely, 212103232043 is an apocalyptic number.

12103232043 is a deficient number, since it is larger than the sum of its proper divisors (6339788245).

12103232043 is an equidigital number, since it uses as much as digits as its factorization.

12103232043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576344393.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12103232043 its reverse (34023230121), we get a palindrome (46126462164).

The spelling of 12103232043 in words is "twelve billion, one hundred three million, two hundred thirty-two thousand, forty-three".

Divisors: 1 3 7 21 576344383 1729033149 4034410681 12103232043