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2930393856 = 28313292349
BaseRepresentation
bin1010111010101010…
…0100001100000000
321120020001102122210
42232222210030000
522000140100411
61202440302120
7132421636215
oct25652441400
97506042583
102930393856
111274149305
12699471940
13379153080
141db287b0c
151223e4ca6
hexaeaa4300

2930393856 has 216 divisors, whose sum is σ = 8723587600. Its totient is φ = 868073472.

The previous prime is 2930393849. The next prime is 2930393881. The reversal of 2930393856 is 6583930392.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8396370 + ... + 8396718.

Almost surely, 22930393856 is an apocalyptic number.

2930393856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2930393856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4361793800).

2930393856 is an abundant number, since it is smaller than the sum of its proper divisors (5793193744).

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

2930393856 is a wasteful number, since it uses less digits than its factorization.

2930393856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The square root of 2930393856 is about 54133.1123805015. The cubic root of 2930393856 is about 1431.0077913942.

The spelling of 2930393856 in words is "two billion, nine hundred thirty million, three hundred ninety-three thousand, eight hundred fifty-six".