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49672400660 = 22513001191033
BaseRepresentation
bin101110010000101101…
…001010111100010100
311202012202101101210222
4232100231022330110
51303212113310120
634452535533512
73405633303431
oct562055127424
9152182341728
1049672400660
111a07a8588a3
12976322a298
1348b7c2a86c
142593014b88
15145ac33525
hexb90b4af14

49672400660 has 24 divisors (see below), whose sum is σ = 104320610856. Its totient is φ = 19867328000.

The previous prime is 49672400653. The next prime is 49672400669. The reversal of 49672400660 is 6600427694.

It can be written as a sum of positive squares in 4 ways, for example, as 6140916496 + 43531484164 = 78364^2 + 208642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49672400669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164504 + ... + 355536.

It is an arithmetic number, because the mean of its divisors is an integer number (4346692119).

Almost surely, 249672400660 is an apocalyptic number.

It is an amenable number.

49672400660 is an abundant number, since it is smaller than the sum of its proper divisors (54648210196).

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

49672400660 is a wasteful number, since it uses less digits than its factorization.

49672400660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204043 (or 204041 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 49672400660 in words is "forty-nine billion, six hundred seventy-two million, four hundred thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 13001 26002 52004 65005 130010 191033 260020 382066 764132 955165 1910330 3820660 2483620033 4967240066 9934480132 12418100165 24836200330 49672400660