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20807670196 = 2244021118169
BaseRepresentation
bin10011011000001110…
…111101100110110100
31222201010022011110201
4103120032331212310
5320103230421241
613320420330244
71334430164335
oct233016754664
958633264421
1020807670196
118908429655
124048543984
131c67b14ab1
14101568a28c
1581bb0a931
hex4d83bd9b4

20807670196 has 12 divisors (see below), whose sum is σ = 36414558180. Its totient is φ = 10403510720.

The previous prime is 20807670193. The next prime is 20807670209. The reversal of 20807670196 is 69107670802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10725502096 + 10082168100 = 103564^2 + 100410^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20807670193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117000 + ... + 235168.

It is an arithmetic number, because the mean of its divisors is an integer number (3034546515).

Almost surely, 220807670196 is an apocalyptic number.

It is an amenable number.

20807670196 is a deficient number, since it is larger than the sum of its proper divisors (15606887984).

20807670196 is a wasteful number, since it uses less digits than its factorization.

20807670196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162194 (or 162192 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 20807670196 in words is "twenty billion, eight hundred seven million, six hundred seventy thousand, one hundred ninety-six".

Divisors: 1 2 4 44021 88042 118169 176084 236338 472676 5201917549 10403835098 20807670196