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2669200128 = 2834723771
BaseRepresentation
bin1001111100011000…
…1100001100000000
320220000120102020000
42133012030030000
520431303401003
61120510120000
7123100553400
oct23706141400
96800512200
102669200128
11114a76a621
12625ab0000
13336cc167a
141b46d6800
151094ee1a3
hex9f18c300

2669200128 has 540 divisors, whose sum is σ = 9642668112. Its totient is φ = 731566080.

The previous prime is 2669200087. The next prime is 2669200139. The reversal of 2669200128 is 8210029662.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2669200092 and 2669200101.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 37594333 + ... + 37594403.

Almost surely, 22669200128 is an apocalyptic number.

2669200128 is a gapful number since it is divisible by the number (28) 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 2669200128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4821334056).

2669200128 is an abundant number, since it is smaller than the sum of its proper divisors (6973467984).

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

2669200128 is an equidigital number, since it uses as much as digits as its factorization.

2669200128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2669200128 is about 51664.3022598777. The cubic root of 2669200128 is about 1387.1615606978.

The spelling of 2669200128 in words is "two billion, six hundred sixty-nine million, two hundred thousand, one hundred twenty-eight".