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42877661469 = 3109131124347
BaseRepresentation
bin100111111011101101…
…010011000100011101
311002200012212212220220
4213323231103010131
51200303140131334
631410413031553
73045356052246
oct477355230435
9132605785826
1042877661469
111720335a765
1283877855b9
134074301626
14210a849ccd
1511ae462449
hex9fbb5311d

42877661469 has 8 divisors (see below), whose sum is σ = 57694713120. Its totient is φ = 28322858736.

The previous prime is 42877661467. The next prime is 42877661509. The reversal of 42877661469 is 96416677824.

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

It is not a de Polignac number, because 42877661469 - 21 = 42877661467 is a prime.

It is a super-2 number, since 2×428776614692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877661467) 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, 65561847 + ... + 65562500.

It is an arithmetic number, because the mean of its divisors is an integer number (7211839140).

Almost surely, 242877661469 is an apocalyptic number.

It is an amenable number.

42877661469 is a deficient number, since it is larger than the sum of its proper divisors (14817051651).

42877661469 is a wasteful number, since it uses less digits than its factorization.

42877661469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131124459.

The product of its digits is 24385536, while the sum is 60.

The spelling of 42877661469 in words is "forty-two billion, eight hundred seventy-seven million, six hundred sixty-one thousand, four hundred sixty-nine".

Divisors: 1 3 109 327 131124347 393373041 14292553823 42877661469