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9094028680 = 2351120668247
BaseRepresentation
bin10000111100000101…
…11101110110001000
3212110210000112010001
420132002331312020
5122111032404210
64102220332344
7441233653102
oct103602756610
925423015101
109094028680
113947384390
1219196a40b4
13b1c0b2b79
14623ad0572
153835a203a
hex21e0bdd88

9094028680 has 32 divisors (see below), whose sum is σ = 22321707840. Its totient is φ = 3306919360.

The previous prime is 9094028663. The next prime is 9094028687. The reversal of 9094028680 is 868204909.

It is a self number, because there is not a number n which added to its sum of digits gives 9094028680.

It is not an unprimeable number, because it can be changed into a prime (9094028687) 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, 10333684 + ... + 10334563.

It is an arithmetic number, because the mean of its divisors is an integer number (697553370).

Almost surely, 29094028680 is an apocalyptic number.

It is an amenable number.

9094028680 is an abundant number, since it is smaller than the sum of its proper divisors (13227679160).

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

9094028680 is a wasteful number, since it uses less digits than its factorization.

9094028680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20668269 (or 20668265 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 9094028680 is about 95362.6167845661. The cubic root of 9094028680 is about 2087.3027238005.

The spelling of 9094028680 in words is "nine billion, ninety-four million, twenty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 20668247 41336494 82672988 103341235 165345976 206682470 227350717 413364940 454701434 826729880 909402868 1136753585 1818805736 2273507170 4547014340 9094028680