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1071940404524 = 221166193680659
BaseRepresentation
bin11111001100101001010…
…00001000010100101100
310210110212100222121221212
433212110220020110230
5120030313220421044
62140235335013552
7140305453046513
oct17462450102454
93713770877855
101071940404524
1138367545a670
121538ba80a2b8
137a111722742
1439c4ca4367a
151cd3c3b6a9e
hexf994a0852c

1071940404524 has 24 divisors (see below), whose sum is σ = 2046741412800. Its totient is φ = 487171892880.

The previous prime is 1071940404517. The next prime is 1071940404527. The reversal of 1071940404524 is 4254040491701.

It is a super-2 number, since 2×10719404045242 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071940404527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1549094 + ... + 2131565.

It is an arithmetic number, because the mean of its divisors is an integer number (85280892200).

Almost surely, 21071940404524 is an apocalyptic number.

It is an amenable number.

1071940404524 is a deficient number, since it is larger than the sum of its proper divisors (974801008276).

1071940404524 is a wasteful number, since it uses less digits than its factorization.

1071940404524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687293 (or 3687291 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 1071940404524 in words is "one trillion, seventy-one billion, nine hundred forty million, four hundred four thousand, five hundred twenty-four".

Divisors: 1 2 4 11 22 44 6619 13238 26476 72809 145618 291236 3680659 7361318 14722636 40487249 80974498 161948996 24362281921 48724563842 97449127684 267985101131 535970202262 1071940404524