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2878868875 = 5359938449
BaseRepresentation
bin1010101110011000…
…0000110110001011
321102122002200200011
42223212000312023
521343442301000
61153400052351
7131224660501
oct25346006613
97378080604
102878868875
111248056883
126841640b7
1336b58280c
141d44b4671
1511cb182ba
hexab980d8b

2878868875 has 16 divisors (see below), whose sum is σ = 3598920000. Its totient is φ = 2299190400.

The previous prime is 2878868857. The next prime is 2878868887. The reversal of 2878868875 is 5788688782.

It is not a de Polignac number, because 2878868875 - 213 = 2878860683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2878868875.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55651 + ... + 94099.

It is an arithmetic number, because the mean of its divisors is an integer number (224932500).

Almost surely, 22878868875 is an apocalyptic number.

2878868875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2878868875 is a deficient number, since it is larger than the sum of its proper divisors (720051125).

2878868875 is an equidigital number, since it uses as much as digits as its factorization.

2878868875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39063 (or 39053 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 67.

The square root of 2878868875 is about 53655.0917900622. The cubic root of 2878868875 is about 1422.5710339362.

The spelling of 2878868875 in words is "two billion, eight hundred seventy-eight million, eight hundred sixty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 599 2995 14975 38449 74875 192245 961225 4806125 23030951 115154755 575773775 2878868875