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47105290461 = 3231494581781
BaseRepresentation
bin101011110111101100…
…011011000011011101
311111120211220200122110
4223313230123003131
51232432423243321
633350113504233
73255212235225
oct536754330335
9144524820573
1047105290461
1118a82787a19
129167572079
134599132048
1423cc0d5085
15135a69d176
hexaf7b1b0dd

47105290461 has 16 divisors (see below), whose sum is σ = 65977660800. Its totient is φ = 29836551360.

The previous prime is 47105290373. The next prime is 47105290487. The reversal of 47105290461 is 16409250174.

It is not a de Polignac number, because 47105290461 - 214 = 47105274077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47105290961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280610 + ... + 2301171.

It is an arithmetic number, because the mean of its divisors is an integer number (4123603800).

Almost surely, 247105290461 is an apocalyptic number.

It is an amenable number.

47105290461 is a deficient number, since it is larger than the sum of its proper divisors (18872370339).

47105290461 is a wasteful number, since it uses less digits than its factorization.

47105290461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581956.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 47105290461 in words is "forty-seven billion, one hundred five million, two hundred ninety thousand, four hundred sixty-one".

Divisors: 1 3 23 69 149 447 3427 10281 4581781 13745343 105380963 316142889 682685369 2048056107 15701763487 47105290461