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42946168130 = 257933541361
BaseRepresentation
bin100111111111110010…
…101000010101000010
311002211222210101101122
4213333302220111002
51200423204340010
631421301232242
73050150256155
oct477762502502
9132758711348
1042946168130
1117238aa0838
1283a6702682
134085569508
14211599dc9c
1511b5495855
hex9ffca8542

42946168130 has 16 divisors (see below), whose sum is σ = 77312989944. Its totient is φ = 17176270080.

The previous prime is 42946168117. The next prime is 42946168157. The reversal of 42946168130 is 3186164924.

It can be written as a sum of positive squares in 4 ways, for example, as 30286092841 + 12660075289 = 174029^2 + 112517^2 .

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, 191351 + ... + 350010.

Almost surely, 242946168130 is an apocalyptic number.

42946168130 is a deficient number, since it is larger than the sum of its proper divisors (34366821814).

42946168130 is a wasteful number, since it uses less digits than its factorization.

42946168130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549301.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 42946168130 in words is "forty-two billion, nine hundred forty-six million, one hundred sixty-eight thousand, one hundred thirty".

Divisors: 1 2 5 10 7933 15866 39665 79330 541361 1082722 2706805 5413610 4294616813 8589233626 21473084065 42946168130