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12103211044448 = 25378225345139
BaseRepresentation
bin1011000000011111111110…
…0110000100111001100000
31120212001111120212101221022
42300013333212010321200
53041244334011410243
641424045520545012
72356266565300436
oct260077746047140
946761446771838
1012103211044448
113946a41117147
121435824a82168
1369a435536c14
142dbb272a0d56
1515ec73edab68
hexb01ff984e60

12103211044448 has 12 divisors (see below), whose sum is σ = 23828196743820. Its totient is φ = 6051605522208.

The previous prime is 12103211044447. The next prime is 12103211044469. The reversal of 12103211044448 is 84444011230121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103211044447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189112672538 + ... + 189112672601.

It is an arithmetic number, because the mean of its divisors is an integer number (1985683061985).

Almost surely, 212103211044448 is an apocalyptic number.

It is an amenable number.

12103211044448 is a deficient number, since it is larger than the sum of its proper divisors (11724985699372).

12103211044448 is an equidigital number, since it uses as much as digits as its factorization.

12103211044448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378225345149 (or 378225345141 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

Adding to 12103211044448 its reverse (84444011230121), we get a palindrome (96547222274569).

The spelling of 12103211044448 in words is "twelve trillion, one hundred three billion, two hundred eleven million, forty-four thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 378225345139 756450690278 1512901380556 3025802761112 6051605522224 12103211044448