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47809961296 = 243196391051
BaseRepresentation
bin101100100001101100…
…100001110101010000
311120101221212200022021
4230201230201311100
51240403322230141
633544045221224
73311526652156
oct544154416520
9146357780267
1047809961296
1119304527609
129323561814
13467c118436
1424579273d6
15139c4946d1
hexb21b21d50

47809961296 has 20 divisors (see below), whose sum is σ = 95619923584. Its totient is φ = 23133852000.

The previous prime is 47809961267. The next prime is 47809961299. The reversal of 47809961296 is 69216990874.

47809961296 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47809961299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48195030 + ... + 48196021.

Almost surely, 247809961296 is an apocalyptic number.

It is an amenable number.

47809961296 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47809961296 is a wasteful number, since it uses less digits than its factorization.

47809961296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96391090 (or 96391084 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 47809961296 in words is "forty-seven billion, eight hundred nine million, nine hundred sixty-one thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 31 62 124 248 496 96391051 192782102 385564204 771128408 1542256816 2988122581 5976245162 11952490324 23904980648 47809961296