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2214428680 = 23555360717
BaseRepresentation
bin1000001111111101…
…1000000000001000
312201022211122002001
42003333120000020
514013343204210
61003422520344
7105606222202
oct20377300010
95638748061
102214428680
11a36a95052
125197360b4
13293a13c39
14170155772
15ce61c03a
hex83fd8008

2214428680 has 16 divisors (see below), whose sum is σ = 4982464620. Its totient is φ = 885771456.

The previous prime is 2214428677. The next prime is 2214428683. The reversal of 2214428680 is 868244122.

It is an interprime number because it is at equal distance from previous prime (2214428677) and next prime (2214428683).

It can be written as a sum of positive squares in 2 ways, for example, as 2161692036 + 52736644 = 46494^2 + 7262^2 .

It is not an unprimeable number, because it can be changed into a prime (2214428683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27680319 + ... + 27680398.

Almost surely, 22214428680 is an apocalyptic number.

2214428680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214428680 is an abundant number, since it is smaller than the sum of its proper divisors (2768035940).

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

2214428680 is a wasteful number, since it uses less digits than its factorization.

2214428680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55360728 (or 55360724 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 2214428680 is about 47057.7164766842. The cubic root of 2214428680 is about 1303.4285591965.

The spelling of 2214428680 in words is "two billion, two hundred fourteen million, four hundred twenty-eight thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 55360717 110721434 221442868 276803585 442885736 553607170 1107214340 2214428680