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2797288980 = 2235232027021
BaseRepresentation
bin1010011010111011…
…0011111000010100
321012221121000002120
42212232303320110
521212101221410
61141323335540
7126214364313
oct24656637024
97187530076
102797288980
111205aa6682
126609815b0
133576bb2a5
141c771a27a
151158a1570
hexa6bb3e14

2797288980 has 48 divisors (see below), whose sum is σ = 8172952704. Its totient is φ = 713511040.

The previous prime is 2797288979. The next prime is 2797288997. The reversal of 2797288980 is 898827972.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012131 + ... + 1014890.

It is an arithmetic number, because the mean of its divisors is an integer number (170269848).

Almost surely, 22797288980 is an apocalyptic number.

2797288980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2797288980 is an abundant number, since it is smaller than the sum of its proper divisors (5375663724).

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

2797288980 is a wasteful number, since it uses less digits than its factorization.

2797288980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027056 (or 2027054 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The square root of 2797288980 is about 52889.4032864807. The cubic root of 2797288980 is about 1409.0047098129.

The spelling of 2797288980 in words is "two billion, seven hundred ninety-seven million, two hundred eighty-eight thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 2027021 4054042 6081063 8108084 10135105 12162126 20270210 24324252 30405315 40540420 46621483 60810630 93242966 121621260 139864449 186485932 233107415 279728898 466214830 559457796 699322245 932429660 1398644490 2797288980