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47945644312 = 2343139376873
BaseRepresentation
bin101100101001110010…
…000111100100011000
311120202102012002102011
4230221302013210120
51241143041104222
634005333315304
73315065152366
oct545162074430
9146672162364
1047945644312
1119374080235
129360a95b34
1346a1273847
14246b966636
1513a9346c77
hexb29c87918

47945644312 has 16 divisors (see below), whose sum is σ = 91988736840. Its totient is φ = 23415314496.

The previous prime is 47945644261. The next prime is 47945644333. The reversal of 47945644312 is 21344654974.

It is a super-3 number, since 3×479456443123 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69688093 + ... + 69688780.

Almost surely, 247945644312 is an apocalyptic number.

It is an amenable number.

47945644312 is a deficient number, since it is larger than the sum of its proper divisors (44043092528).

47945644312 is a wasteful number, since it uses less digits than its factorization.

47945644312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139376922 (or 139376918 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 47945644312 in words is "forty-seven billion, nine hundred forty-five million, six hundred forty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 43 86 172 344 139376873 278753746 557507492 1115014984 5993205539 11986411078 23972822156 47945644312