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2878836216 = 2332348710709
BaseRepresentation
bin1010101110010111…
…1000110111111000
321102122001000212120
42223211320313320
521343440224331
61153355241240
7131224463334
oct25345706770
97378030776
102878836216
111248034293
12684149220
1336b5709a9
141d44a67c4
1511cb0d796
hexab978df8

2878836216 has 64 divisors (see below), whose sum is σ = 7526131200. Its totient is φ = 915919488.

The previous prime is 2878836203. The next prime is 2878836223. The reversal of 2878836216 is 6126388782.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263470 + ... + 274178.

It is an arithmetic number, because the mean of its divisors is an integer number (117595800).

Almost surely, 22878836216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878836216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3763065600).

2878836216 is an abundant number, since it is smaller than the sum of its proper divisors (4647294984).

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

2878836216 is a wasteful number, since it uses less digits than its factorization.

2878836216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11224 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 2878836216 is about 53654.7874471608. The cubic root of 2878836216 is about 1422.5656545175.

The spelling of 2878836216 in words is "two billion, eight hundred seventy-eight million, eight hundred thirty-six thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 487 552 974 1461 1948 2922 3896 5844 10709 11201 11688 21418 22402 32127 33603 42836 44804 64254 67206 85672 89608 128508 134412 246307 257016 268824 492614 738921 985228 1477842 1970456 2955684 5215283 5911368 10430566 15645849 20861132 31291698 41722264 62583396 119951509 125166792 239903018 359854527 479806036 719709054 959612072 1439418108 2878836216