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13212325144 = 235033283381
BaseRepresentation
bin11000100111000010…
…00001010100011000
31021002210022122210201
430103201001110120
5204024323401034
610023013551544
7645261624244
oct142341012430
937083278721
1013212325144
115670016487
1226889455b4
131327382c95
148d4a39424
15524de3014
hex313841518

13212325144 has 16 divisors (see below), whose sum is σ = 24822367920. Its totient is φ = 6593027040.

The previous prime is 13212325141. The next prime is 13212325157. The reversal of 13212325144 is 44152321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212325141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637667 + ... + 1645714.

It is an arithmetic number, because the mean of its divisors is an integer number (1551397995).

Almost surely, 213212325144 is an apocalyptic number.

It is an amenable number.

13212325144 is a deficient number, since it is larger than the sum of its proper divisors (11610042776).

13212325144 is a wasteful number, since it uses less digits than its factorization.

13212325144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283890 (or 3283886 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 13212325144 its reverse (44152321231), we get a palindrome (57364646375).

The spelling of 13212325144 in words is "thirteen billion, two hundred twelve million, three hundred twenty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 503 1006 2012 4024 3283381 6566762 13133524 26267048 1651540643 3303081286 6606162572 13212325144