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42761224687 = 192718304763
BaseRepresentation
bin100111110100110001…
…001000000111101111
311002101002210021200111
4213310301020013233
51200033333142222
631351053240451
73042443261356
oct476461100757
9132332707614
1042761224687
1117153662015
128354793127
13405615451c
1420d91ba99d
1511a4112777
hex9f4c481ef

42761224687 has 8 divisors (see below), whose sum is σ = 45177916160. Its totient is φ = 40361143320.

The previous prime is 42761224661. The next prime is 42761224691. The reversal of 42761224687 is 78642216724.

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 42761224687 - 27 = 42761224559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42761224687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42761204687) 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 7 ways as a sum of consecutive naturals, for example, 4147233 + ... + 4157530.

It is an arithmetic number, because the mean of its divisors is an integer number (5647239520).

Almost surely, 242761224687 is an apocalyptic number.

42761224687 is a deficient number, since it is larger than the sum of its proper divisors (2416691473).

42761224687 is a wasteful number, since it uses less digits than its factorization.

42761224687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305053.

The product of its digits is 1806336, while the sum is 49.

The spelling of 42761224687 in words is "forty-two billion, seven hundred sixty-one million, two hundred twenty-four thousand, six hundred eighty-seven".

Divisors: 1 19 271 5149 8304763 157790497 2250590773 42761224687