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42131531411 = 64365523377
BaseRepresentation
bin100111001111001111…
…000010011010010011
311000202012220112220022
4213033033002122103
51142241133001121
631204400534055
73021026052044
oct471717023223
9130665815808
1042131531411
1116960173152
1281b992132b
133c85860458
1420797048cb
151168bcbaab
hex9cf3c2693

42131531411 has 4 divisors (see below), whose sum is σ = 42197055432. Its totient is φ = 42066007392.

The previous prime is 42131531389. The next prime is 42131531467. The reversal of 42131531411 is 11413513124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42131531411 - 230 = 41057789587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42131531011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32761046 + ... + 32762331.

It is an arithmetic number, because the mean of its divisors is an integer number (10549263858).

Almost surely, 242131531411 is an apocalyptic number.

42131531411 is a deficient number, since it is larger than the sum of its proper divisors (65524021).

42131531411 is an equidigital number, since it uses as much as digits as its factorization.

42131531411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65524020.

The product of its digits is 1440, while the sum is 26.

The spelling of 42131531411 in words is "forty-two billion, one hundred thirty-one million, five hundred thirty-one thousand, four hundred eleven".

Divisors: 1 643 65523377 42131531411