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12180468379 = 29757554843
BaseRepresentation
bin10110101100000001…
…10011001010011011
31011102212200220102111
423112000303022123
5144421144442004
65332353413151
7610562162422
oct132600631233
934385626374
1012180468379
1151906141a2
12243b26a1b7
1311c1670951
148379982b9
154b451ca04
hex2d603329b

12180468379 has 8 divisors (see below), whose sum is σ = 12617152560. Its totient is φ = 11744895456.

The previous prime is 12180468353. The next prime is 12180468449. The reversal of 12180468379 is 97386408121.

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 12180468379 - 29 = 12180467867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12180468319) 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, 255469 + ... + 299374.

It is an arithmetic number, because the mean of its divisors is an integer number (1577144070).

Almost surely, 212180468379 is an apocalyptic number.

12180468379 is a deficient number, since it is larger than the sum of its proper divisors (436684181).

12180468379 is an equidigital number, since it uses as much as digits as its factorization.

12180468379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555629.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 12180468379 in words is "twelve billion, one hundred eighty million, four hundred sixty-eight thousand, three hundred seventy-nine".

Divisors: 1 29 757 21953 554843 16090447 420016151 12180468379