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47964975992 = 2317883139937
BaseRepresentation
bin101100101010111011…
…110111001101111000
311120210202120020111022
4230222323313031320
51241213013212432
634011303522012
73315421366103
oct545273671570
9146722506438
1047964975992
1119383a8442a
129367459308
1346a52819cb
14247035973a
1513aadb4b12
hexb2aef7378

47964975992 has 32 divisors (see below), whose sum is σ = 95237752320. Its totient is φ = 22568632320.

The previous prime is 47964975979. The next prime is 47964976013. The reversal of 47964975992 is 29957946974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181048 + ... + 1220984.

It is an arithmetic number, because the mean of its divisors is an integer number (2976179760).

Almost surely, 247964975992 is an apocalyptic number.

It is an amenable number.

47964975992 is a deficient number, since it is larger than the sum of its proper divisors (47272776328).

47964975992 is a wasteful number, since it uses less digits than its factorization.

47964975992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48791 (or 48787 counting only the distinct ones).

The product of its digits is 308629440, while the sum is 71.

The spelling of 47964975992 in words is "forty-seven billion, nine hundred sixty-four million, nine hundred seventy-five thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 17 34 68 136 8831 17662 35324 39937 70648 79874 150127 159748 300254 319496 600508 678929 1201016 1357858 2715716 5431432 352683647 705367294 1410734588 2821469176 5995621999 11991243998 23982487996 47964975992