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47921902018580 = 22514331672083113
BaseRepresentation
bin10101110010101101011111…
…11100100110000000010100
320021200021210202011220011102
422321112233330212000110
522240123023404043310
6245531003505325232
713044146256136112
oct1271265774460024
9207607722156142
1047921902018580
11142a6623405a07
12545b704036818
1320980291163a5
14bb960a850ab2
1558185a66e8a5
hex2b95aff26014

47921902018580 has 24 divisors (see below), whose sum is σ = 100706221789992. Its totient is φ = 19155384131072.

The previous prime is 47921902018531. The next prime is 47921902018597. The reversal of 47921902018580 is 8581020912974.

47921902018580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9067349529616 + 38854552488964 = 3011204^2 + 6233342^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836012897 + ... + 836070216.

It is an arithmetic number, because the mean of its divisors is an integer number (4196092574583).

Almost surely, 247921902018580 is an apocalyptic number.

It is an amenable number.

47921902018580 is an abundant number, since it is smaller than the sum of its proper divisors (52784319771412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47921902018580 is a wasteful number, since it uses less digits than its factorization.

47921902018580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672084555 (or 1672084553 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 47921902018580 in words is "forty-seven trillion, nine hundred twenty-one billion, nine hundred two million, eighteen thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 1433 2866 5732 7165 14330 28660 1672083113 3344166226 6688332452 8360415565 16720831130 33441662260 2396095100929 4792190201858 9584380403716 11980475504645 23960951009290 47921902018580