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8993996688 = 243543134501
BaseRepresentation
bin10000110000001010…
…10111111110010000
3212012210210101000110
420120011113332100
5121404430343223
64044244321320
7435610465455
oct103005277620
925183711013
108993996688
1138a5970916
1218b00a3240
13b0445a941
146146d182c
153798e2d93
hex218157f90

8993996688 has 40 divisors (see below), whose sum is σ = 23239443136. Its totient is φ = 2997360000.

The previous prime is 8993996651. The next prime is 8993996689. The reversal of 8993996688 is 8866993998.

It is not an unprimeable number, because it can be changed into a prime (8993996689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243438 + ... + 277938.

Almost surely, 28993996688 is an apocalyptic number.

It is an amenable number.

8993996688 is an abundant number, since it is smaller than the sum of its proper divisors (14245446448).

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

8993996688 is a wasteful number, since it uses less digits than its factorization.

8993996688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39943 (or 39937 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 75.

The square root of 8993996688 is about 94836.6842946336. The cubic root of 8993996688 is about 2079.6212241736.

The spelling of 8993996688 in words is "eight billion, nine hundred ninety-three million, nine hundred ninety-six thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 5431 10862 16293 21724 32586 34501 43448 65172 69002 86896 103503 130344 138004 207006 260688 276008 414012 552016 828024 1656048 187374931 374749862 562124793 749499724 1124249586 1498999448 2248499172 2997998896 4496998344 8993996688