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9420208512 = 2731113199029
BaseRepresentation
bin10001100010111110…
…01111100110000000
3220022111210011201120
420301133033212000
5123243033133022
64154431432240
7452304310521
oct106137174600
926274704646
109420208512
113aa450a0a0
1219aa985680
13b71848ba0
1465515a848
153a2032d5c
hex2317cf980

9420208512 has 256 divisors, whose sum is σ = 30947616000. Its totient is φ = 2496061440.

The previous prime is 9420208459. The next prime is 9420208519. The reversal of 9420208512 is 2158020249.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420208519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038814 + ... + 1047842.

It is an arithmetic number, because the mean of its divisors is an integer number (120889125).

Almost surely, 29420208512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9420208512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15473808000).

9420208512 is an abundant number, since it is smaller than the sum of its proper divisors (21527407488).

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

9420208512 is a wasteful number, since it uses less digits than its factorization.

9420208512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9089 (or 9077 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 9420208512 is about 97057.7586388641. The cubic root of 9420208512 is about 2111.9655928738.

The spelling of 9420208512 in words is "nine billion, four hundred twenty million, two hundred eight thousand, five hundred twelve".