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42045920097 = 3191321558401
BaseRepresentation
bin100111001010001000…
…011101001101100001
311000112020211001020220
4213022020131031201
51142102223420342
631152101553253
73015636265266
oct471210351541
9130466731226
1042045920097
111691690a0a5
128195115829
133c70bb6c7c
14206c1bb26d
15116141a5ec
hex9ca21d361

42045920097 has 16 divisors (see below), whose sum is σ = 59056595520. Its totient is φ = 26535168000.

The previous prime is 42045920057. The next prime is 42045920101. The reversal of 42045920097 is 79002954024.

It is not a de Polignac number, because 42045920097 - 28 = 42045919841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42045920057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203904 + ... + 354497.

It is an arithmetic number, because the mean of its divisors is an integer number (3691037220).

Almost surely, 242045920097 is an apocalyptic number.

It is an amenable number.

42045920097 is a deficient number, since it is larger than the sum of its proper divisors (17010675423).

42045920097 is a wasteful number, since it uses less digits than its factorization.

42045920097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559744.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 42045920097 in words is "forty-two billion, forty-five million, nine hundred twenty thousand, ninety-seven".

Divisors: 1 3 19 57 1321 3963 25099 75297 558401 1675203 10609619 31828857 737647721 2212943163 14015306699 42045920097