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2788228001 = 13415231197
BaseRepresentation
bin1010011000110000…
…1111101110100001
321012022112122202202
42212030033232201
521202241244001
61140401222545
7126044355416
oct24614175641
97168478682
102788228001
111200977a69
12659931a55
13355867c70
141c643c10d
15114bb196b
hexa630fba1

2788228001 has 8 divisors (see below), whose sum is σ = 3075944424. Its totient is φ = 2510974080.

The previous prime is 2788227971. The next prime is 2788228031. The reversal of 2788228001 is 1008228872.

2788228001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2788227971) and next prime (2788228031).

It can be written as a sum of positive squares in 4 ways, for example, as 177528976 + 2610699025 = 13324^2 + 51095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2788228001 - 218 = 2787965857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2788228031) 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, 2615066 + ... + 2616131.

It is an arithmetic number, because the mean of its divisors is an integer number (384493053).

Almost surely, 22788228001 is an apocalyptic number.

It is an amenable number.

2788228001 is a deficient number, since it is larger than the sum of its proper divisors (287716423).

2788228001 is a wasteful number, since it uses less digits than its factorization.

2788228001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231251.

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 2788228001 is about 52803.6741240607. The cubic root of 2788228001 is about 1407.4817147567.

The spelling of 2788228001 in words is "two billion, seven hundred eighty-eight million, two hundred twenty-eight thousand, one".

Divisors: 1 13 41 533 5231197 68005561 214479077 2788228001