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47905364689 = 7132341558253
BaseRepresentation
bin101100100111011000…
…011101101011010001
311120122121101200011021
4230213120131223101
51241102233132224
634001334115441
73314065611160
oct544730355321
9146577350137
1047905364689
1119353369596
12934b4abb81
134695b0c950
14246647d3d7
1513a5a3c1e4
hexb2761dad1

47905364689 has 32 divisors (see below), whose sum is σ = 63024643584. Its totient is φ = 35370846720.

The previous prime is 47905364669. The next prime is 47905364701. The reversal of 47905364689 is 98646350974.

It is a cyclic number.

It is not a de Polignac number, because 47905364689 - 217 = 47905233617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47905364609) 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 31 ways as a sum of consecutive naturals, for example, 193314 + ... + 364939.

It is an arithmetic number, because the mean of its divisors is an integer number (1969520112).

Almost surely, 247905364689 is an apocalyptic number.

It is an amenable number.

47905364689 is a deficient number, since it is larger than the sum of its proper divisors (15119278895).

47905364689 is a wasteful number, since it uses less digits than its factorization.

47905364689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558337.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 47905364689 in words is "forty-seven billion, nine hundred five million, three hundred sixty-four thousand, six hundred eighty-nine".

Divisors: 1 7 13 23 41 91 161 287 299 533 943 2093 3731 6601 12259 85813 558253 3907771 7257289 12839819 22888373 50801023 89878733 160218611 166917647 297548849 526432579 1168423529 2082841943 3685028053 6843623527 47905364689