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12773374580 = 2253717261317
BaseRepresentation
bin10111110010101101…
…00011101001110100
31012222012100122211102
423321112203221310
5202124440441310
65511253425232
7631351615061
oct137126435164
935865318742
1012773374580
11546526741a
12258593b218
131287454715
14892615c68
154eb5d88a5
hex2f95a3a74

12773374580 has 24 divisors (see below), whose sum is σ = 27549063528. Its totient is φ = 4971259008.

The previous prime is 12773374577. The next prime is 12773374613. The reversal of 12773374580 is 8547337721.

It can be written as a sum of positive squares in 4 ways, for example, as 3126599056 + 9646775524 = 55916^2 + 98218^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629919 + ... + 8631398.

It is an arithmetic number, because the mean of its divisors is an integer number (1147877647).

Almost surely, 212773374580 is an apocalyptic number.

12773374580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12773374580 is an abundant number, since it is smaller than the sum of its proper divisors (14775688948).

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

12773374580 is a wasteful number, since it uses less digits than its factorization.

12773374580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17261363 (or 17261361 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 12773374580 in words is "twelve billion, seven hundred seventy-three million, three hundred seventy-four thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 17261317 34522634 69045268 86306585 172613170 345226340 638668729 1277337458 2554674916 3193343645 6386687290 12773374580