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2878342012 = 22713174611009
BaseRepresentation
bin1010101110010000…
…0000001101111100
321102121002220221201
42223210000031330
521343323421022
61153340505244
7131220334450
oct25344001574
97377086851
102878342012
111247826a57
12683b4b224
1336b429a70
141d43b8660
1511ca62127
hexab90037c

2878342012 has 96 divisors (see below), whose sum is σ = 6584941440. Its totient is φ = 1068318720.

The previous prime is 2878341937. The next prime is 2878342031. The reversal of 2878342012 is 2102438782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2852164 + ... + 2853172.

It is an arithmetic number, because the mean of its divisors is an integer number (68593140).

Almost surely, 22878342012 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 2878342012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292470720).

2878342012 is an abundant number, since it is smaller than the sum of its proper divisors (3706599428).

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

2878342012 is a wasteful number, since it uses less digits than its factorization.

2878342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 2878342012 is about 53650.1818449854. The cubic root of 2878342012 is about 1422.4842468679.

The spelling of 2878342012 in words is "two billion, eight hundred seventy-eight million, three hundred forty-two thousand, twelve".

Divisors: 1 2 4 7 13 14 17 26 28 34 52 68 91 119 182 221 238 364 442 461 476 884 922 1009 1547 1844 2018 3094 3227 4036 5993 6188 6454 7063 7837 11986 12908 13117 14126 15674 17153 23972 26234 28252 31348 34306 41951 52468 54859 68612 83902 91819 101881 109718 120071 167804 183638 203762 219436 222989 240142 367276 407524 445978 465149 480284 713167 891956 930298 1426334 1560923 1860596 2852668 3121846 3256043 6046937 6243692 6512086 7907533 12093874 13024172 15815066 24187748 31630132 42328559 55352731 84657118 102797929 110705462 169314236 205595858 221410924 411191716 719585503 1439171006 2878342012