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42687332473 = 1489166317239
BaseRepresentation
bin100111110000010111…
…010000000001111001
311002011221202011121211
4213300113100001321
51144410424114343
631335453403121
73040555224232
oct476027200171
9132157664554
1042687332473
1117115982775
128333a994a1
134043a52216
1420cd464089
15119c8b879d
hex9f05d0079

42687332473 has 8 divisors (see below), whose sum is σ = 42744166400. Its totient is φ = 42630539328.

The previous prime is 42687332459. The next prime is 42687332533. The reversal of 42687332473 is 37423378624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42687332473 - 233 = 34097397881 is a prime.

It is a super-3 number, since 3×426873324733 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42687332173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2467588 + ... + 2484826.

It is an arithmetic number, because the mean of its divisors is an integer number (5343020800).

Almost surely, 242687332473 is an apocalyptic number.

It is an amenable number.

42687332473 is a deficient number, since it is larger than the sum of its proper divisors (56833927).

42687332473 is a wasteful number, since it uses less digits than its factorization.

42687332473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391.

The product of its digits is 4064256, while the sum is 49.

The spelling of 42687332473 in words is "forty-two billion, six hundred eighty-seven million, three hundred thirty-two thousand, four hundred seventy-three".

Divisors: 1 1489 1663 17239 2476207 25668871 28668457 42687332473