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2830780078 = 27228885511
BaseRepresentation
bin1010100010111010…
…0100011010101110
321022021121112020121
42220232210122232
521244134430303
61144521235154
7130102143100
oct25056443256
97267545217
102830780078
1112229a0a75
12670032aba
133616162c9
141cbd57570
151187b99bd
hexa8ba46ae

2830780078 has 12 divisors (see below), whose sum is σ = 4939422552. Its totient is φ = 1213191420.

The previous prime is 2830780067. The next prime is 2830780079. The reversal of 2830780078 is 8700870382.

2830780078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830780079) 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, 14442658 + ... + 14442853.

It is an arithmetic number, because the mean of its divisors is an integer number (411618546).

Almost surely, 22830780078 is an apocalyptic number.

2830780078 is a deficient number, since it is larger than the sum of its proper divisors (2108642474).

2830780078 is a wasteful number, since it uses less digits than its factorization.

2830780078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885527 (or 28885520 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 2830780078 is about 53205.0756789237. The cubic root of 2830780078 is about 1414.6056125540.

The spelling of 2830780078 in words is "two billion, eight hundred thirty million, seven hundred eighty thousand, seventy-eight".

Divisors: 1 2 7 14 49 98 28885511 57771022 202198577 404397154 1415390039 2830780078