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47919701906 = 2192944996847
BaseRepresentation
bin101100101000001111…
…001001111110010010
311120200121101002010022
4230220033021332102
51241114420430111
634003005303442
73314331513506
oct545017117622
9146617332108
1047919701906
111936047132a
129354264b82
134698a8c6cb
142468332306
1513a6e202db
hexb283c9f92

47919701906 has 32 divisors (see below), whose sum is σ = 78446880000. Its totient is φ = 21867052032.

The previous prime is 47919701861. The next prime is 47919701911. The reversal of 47919701906 is 60910791974.

47919701906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446375 + ... + 543221.

It is an arithmetic number, because the mean of its divisors is an integer number (2451465000).

Almost surely, 247919701906 is an apocalyptic number.

47919701906 is a deficient number, since it is larger than the sum of its proper divisors (30527178094).

47919701906 is a wasteful number, since it uses less digits than its factorization.

47919701906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97346.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 47919701906 in words is "forty-seven billion, nine hundred nineteen million, seven hundred one thousand, nine hundred six".

Divisors: 1 2 19 29 38 58 449 551 898 1102 8531 13021 17062 26042 96847 193694 247399 494798 1840093 2808563 3680186 5617126 43484303 53362697 86968606 106725394 826201757 1261044787 1652403514 2522089574 23959850953 47919701906