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12404415432140 = 225620220771607
BaseRepresentation
bin1011010010000010000011…
…0001101000010111001100
31121220211222001001122222222
42310200200301220113030
53111213220322312030
642214302040154512
72420121656324354
oct264404061502714
947824861048888
1012404415432140
113a52757146776
121484085768a38
136bc967a35164
1430c53c355b64
15167a022a03e5
hexb4820c685cc

12404415432140 has 12 divisors (see below), whose sum is σ = 26049272407536. Its totient is φ = 4961766172848.

The previous prime is 12404415432091. The next prime is 12404415432161. The reversal of 12404415432140 is 4123451440421.

It is a super-2 number, since 2×124044154321402 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12404415432140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310110385784 + ... + 310110385823.

It is an arithmetic number, because the mean of its divisors is an integer number (2170772700628).

Almost surely, 212404415432140 is an apocalyptic number.

12404415432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12404415432140 is an abundant number, since it is smaller than the sum of its proper divisors (13644856975396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12404415432140 is a wasteful number, since it uses less digits than its factorization.

12404415432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620220771616 (or 620220771614 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 12404415432140 its reverse (4123451440421), we get a palindrome (16527866872561).

The spelling of 12404415432140 in words is "twelve trillion, four hundred four billion, four hundred fifteen million, four hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 620220771607 1240441543214 2480883086428 3101103858035 6202207716070 12404415432140