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4215855980 = 2257113266489
BaseRepresentation
bin1111101101001000…
…1101101101101100
3101212210212200012002
43323102031231230
532113224342410
61534200231432
7206321120210
oct37322155554
911783780162
104215855980
111873816aa6
12997a6b578
1352256ab4b
142bdca2940
1519a1b27a5
hexfb48db6c

4215855980 has 48 divisors (see below), whose sum is σ = 10207632960. Its totient is φ = 1432639488.

The previous prime is 4215855937. The next prime is 4215855997. The reversal of 4215855980 is 895585124.

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, 117425 + ... + 149064.

It is an arithmetic number, because the mean of its divisors is an integer number (212659020).

Almost surely, 24215855980 is an apocalyptic number.

It is an amenable number.

4215855980 is an abundant number, since it is smaller than the sum of its proper divisors (5991776980).

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

4215855980 is a wasteful number, since it uses less digits than its factorization.

4215855980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266618 (or 266616 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 47.

The square root of 4215855980 is about 64929.6232855235. The cubic root of 4215855980 is about 1615.4564528818.

The spelling of 4215855980 in words is "four billion, two hundred fifteen million, eight hundred fifty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 113 140 226 452 565 791 1130 1582 2260 3164 3955 7910 15820 266489 532978 1065956 1332445 1865423 2664890 3730846 5329780 7461692 9327115 18654230 30113257 37308460 60226514 120453028 150566285 210792799 301132570 421585598 602265140 843171196 1053963995 2107927990 4215855980