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425792289981 = 3178348868431
BaseRepresentation
bin1100011001000110011…
…00101011110010111101
31111201001012022110100010
412030203030223302331
523434010311234411
6523334542253433
742522346514502
oct6144314536275
91451035273303
10425792289981
11154639713633
126a630b87279
13311c90582a6
14168738694a9
15b120e1d7a6
hex632332bcbd

425792289981 has 8 divisors (see below), whose sum is σ = 601118527104. Its totient is φ = 267163789760.

The previous prime is 425792289961. The next prime is 425792290037. The reversal of 425792289981 is 189982297524.

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 425792289981 - 230 = 424718548157 is a prime.

It is a super-2 number, since 2×4257922899812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425792289931) 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, 4174434165 + ... + 4174434266.

It is an arithmetic number, because the mean of its divisors is an integer number (75139815888).

Almost surely, 2425792289981 is an apocalyptic number.

It is an amenable number.

425792289981 is a deficient number, since it is larger than the sum of its proper divisors (175326237123).

425792289981 is a wasteful number, since it uses less digits than its factorization.

425792289981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348868451.

The product of its digits is 52254720, while the sum is 66.

The spelling of 425792289981 in words is "four hundred twenty-five billion, seven hundred ninety-two million, two hundred eighty-nine thousand, nine hundred eighty-one".

Divisors: 1 3 17 51 8348868431 25046605293 141930763327 425792289981