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2858878930 = 25285887893
BaseRepresentation
bin1010101001100111…
…0000011111010010
321101020111002121211
42222121300133102
521323333111210
61151403410334
7130563032665
oct25231603722
97336432554
102858878930
111237843066
126795239aa
133673a3b4b
141d198d6dc
1511aeba38a
hexaa6707d2

2858878930 has 8 divisors (see below), whose sum is σ = 5145982092. Its totient is φ = 1143551568.

The previous prime is 2858878927. The next prime is 2858878937. The reversal of 2858878930 is 398788582.

2858878930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2474366049 + 384512881 = 49743^2 + 19609^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2858878937) 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, 142943937 + ... + 142943956.

Almost surely, 22858878930 is an apocalyptic number.

2858878930 is a deficient number, since it is larger than the sum of its proper divisors (2287103162).

2858878930 is a wasteful number, since it uses less digits than its factorization.

2858878930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285887900.

The product of its (nonzero) digits is 7741440, while the sum is 58.

The square root of 2858878930 is about 53468.4853909291. The cubic root of 2858878930 is about 1419.2707572805.

The spelling of 2858878930 in words is "two billion, eight hundred fifty-eight million, eight hundred seventy-eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 285887893 571775786 1429439465 2858878930