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42975742497 = 314479989381
BaseRepresentation
bin101000000001100011…
…011100101000100001
311002221001102220210120
4220001203130220201
51201003242224442
631424235150453
73050656532622
oct500143345041
9132831386716
1042975742497
1117253760466
1283b45a5429
13408b72283c
14211989ba49
1511b7d884ec
hexa018dca21

42975742497 has 8 divisors (see below), whose sum is σ = 57305005440. Its totient is φ = 28648487280.

The previous prime is 42975742483. The next prime is 42975742507. The reversal of 42975742497 is 79424757924.

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

It is not a de Polignac number, because 42975742497 - 212 = 42975738401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42975742497.

It is not an unprimeable number, because it can be changed into a prime (42975747497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451254 + ... + 538127.

It is an arithmetic number, because the mean of its divisors is an integer number (7163125680).

Almost surely, 242975742497 is an apocalyptic number.

It is an amenable number.

42975742497 is a deficient number, since it is larger than the sum of its proper divisors (14329262943).

42975742497 is a wasteful number, since it uses less digits than its factorization.

42975742497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003863.

The product of its digits is 35562240, while the sum is 60.

The spelling of 42975742497 in words is "forty-two billion, nine hundred seventy-five million, seven hundred forty-two thousand, four hundred ninety-seven".

Divisors: 1 3 14479 43437 989381 2968143 14325247499 42975742497