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12405962077380 = 22335172394320161
BaseRepresentation
bin1011010010000111110011…
…1101100111010011000100
31121220222221211100101102000
42310201330331213103010
53111224402242434010
642215115330145300
72420205206515224
oct264417475472304
947828854311360
1012405962077380
113a53380196183
121484437722230
136bcb532a9861
1430c64791c084
15167a92e607c0
hexb487cf674c4

12405962077380 has 288 divisors, whose sum is σ = 41012682305280. Its totient is φ = 3112709160960.

The previous prime is 12405962077349. The next prime is 12405962077391. The reversal of 12405962077380 is 8377026950421.

It is a happy number.

12405962077380 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 5 + 9 + 620 + 7 + 7 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 615334500 + ... + 615354660.

It is a 1-persistent number, because it is pandigital, but 2⋅12405962077380 = 24811924154760 is not.

Almost surely, 212405962077380 is an apocalyptic number.

12405962077380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12405962077380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20506341152640).

12405962077380 is an abundant number, since it is smaller than the sum of its proper divisors (28606720227900).

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

12405962077380 is a wasteful number, since it uses less digits than its factorization.

12405962077380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24156 (or 24131 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 12405962077380 in words is "twelve trillion, four hundred five billion, nine hundred sixty-two million, seventy-seven thousand, three hundred eighty".