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9910420047 = 321147245317
BaseRepresentation
bin10010011101011010…
…10000001001001111
3221120200012111112100
421032231100021033
5130244031420142
64315222410143
7500406115623
oct111655201117
927520174470
109910420047
1142261a02a0
121b06b90953
13c1c284798
146a02c5183
153d00b5b4c
hex24eb5024f

9910420047 has 36 divisors (see below), whose sum is σ = 15956105256. Its totient is φ = 5878391520.

The previous prime is 9910419997. The next prime is 9910420061. The reversal of 9910420047 is 7400240199.

It is not a de Polignac number, because 9910420047 - 211 = 9910417999 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9910419993 and 9910420020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9910422047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 196033 + ... + 241349.

It is an arithmetic number, because the mean of its divisors is an integer number (443225146).

Almost surely, 29910420047 is an apocalyptic number.

9910420047 is a deficient number, since it is larger than the sum of its proper divisors (6045685209).

9910420047 is a wasteful number, since it uses less digits than its factorization.

9910420047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45428 (or 45378 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 9910420047 is about 99551.0926459373. The cubic root of 9910420047 is about 2147.9822459078.

The spelling of 9910420047 in words is "nine billion, nine hundred ten million, four hundred twenty thousand, forty-seven".

Divisors: 1 3 9 11 33 47 99 141 423 517 1551 2209 4653 6627 19881 24299 45317 72897 135951 218691 407853 498487 1495461 2129899 4486383 6389697 19169091 23428889 70286667 100105253 210860001 300315759 900947277 1101157783 3303473349 9910420047