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12103320043 = 401283710639
BaseRepresentation
bin10110100010110101…
…00000000111101011
31011020111112100210201
423101122200013223
5144241422220133
65321000053031
7605634344233
oct132132400753
934214470721
1012103320043
115151010541
122419464177
1311ab69b549
1482b634cc3
154ac87dd7d
hex2d16a01eb

12103320043 has 8 divisors (see below), whose sum is σ = 12138920640. Its totient is φ = 12067747200.

The previous prime is 12103319971. The next prime is 12103320077. The reversal of 12103320043 is 34002330121.

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 12103320043 - 221 = 12101222891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12103320043.

It is not an unprimeable number, because it can be changed into a prime (12103320443) 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, 1132318 + ... + 1142956.

It is an arithmetic number, because the mean of its divisors is an integer number (1517365080).

Almost surely, 212103320043 is an apocalyptic number.

12103320043 is a deficient number, since it is larger than the sum of its proper divisors (35600597).

12103320043 is a wasteful number, since it uses less digits than its factorization.

12103320043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12103320043 its reverse (34002330121), we get a palindrome (46105650164).

The spelling of 12103320043 in words is "twelve billion, one hundred three million, three hundred twenty thousand, forty-three".

Divisors: 1 401 2837 10639 1137637 4266239 30182843 12103320043