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2874825980 = 2251311057023
BaseRepresentation
bin1010101101011010…
…0101110011111100
321102100111021212022
42223112211303330
521341423412410
61153133255312
7131145421565
oct25326456374
97370437768
102874825980
111245845344
12682934538
1336a798580
141d3b4116c
1511c5ba455
hexab5a5cfc

2874825980 has 24 divisors (see below), whose sum is σ = 6501530112. Its totient is φ = 1061474112.

The previous prime is 2874825979. The next prime is 2874825983. The reversal of 2874825980 is 895284782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874825983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5528252 + ... + 5528771.

It is an arithmetic number, because the mean of its divisors is an integer number (270897088).

Almost surely, 22874825980 is an apocalyptic number.

2874825980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2874825980 is an abundant number, since it is smaller than the sum of its proper divisors (3626704132).

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

2874825980 is a wasteful number, since it uses less digits than its factorization.

2874825980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057045 (or 11057043 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The square root of 2874825980 is about 53617.4037043943. The cubic root of 2874825980 is about 1421.9048000871.

The spelling of 2874825980 in words is "two billion, eight hundred seventy-four million, eight hundred twenty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 11057023 22114046 44228092 55285115 110570230 143741299 221140460 287482598 574965196 718706495 1437412990 2874825980