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4428068004 = 2232123001889
BaseRepresentation
bin1000001111110111…
…01111010010100100
3102102121012011100200
410013323233102210
533032041134004
62011220510500
7214505646153
oct40773572244
912377164320
104428068004
111972590038
12a36b4b430
1355750c7a9
1430014359a
151adb30239
hex107eef4a4

4428068004 has 18 divisors (see below), whose sum is σ = 11193171990. Its totient is φ = 1476022656.

The previous prime is 4428068003. The next prime is 4428068017. The reversal of 4428068004 is 4008608244.

It can be written as a sum of positive squares in only one way, i.e., 3522659904 + 905408100 = 59352^2 + 30090^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 123001889 = 4428068004 / (4 + 4 + 2 + 8 + 0 + 6 + 8 + 0 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 4428068004.

It is not an unprimeable number, because it can be changed into a prime (4428068003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61500909 + ... + 61500980.

Almost surely, 24428068004 is an apocalyptic number.

It is an amenable number.

4428068004 is an abundant number, since it is smaller than the sum of its proper divisors (6765103986).

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

4428068004 is a wasteful number, since it uses less digits than its factorization.

4428068004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123001899 (or 123001894 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 4428068004 is about 66543.7300126766. The cubic root of 4428068004 is about 1642.1195087593.

The spelling of 4428068004 in words is "four billion, four hundred twenty-eight million, sixty-eight thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 123001889 246003778 369005667 492007556 738011334 1107017001 1476022668 2214034002 4428068004