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2602130820 = 2235374332707
BaseRepresentation
bin1001101100011001…
…0101110110000100
320201100100221102120
42123012111312010
520312121141240
61110112405540
7121324514142
oct23306256604
96640327376
102602130820
111115920443
126075468b0
1332613aaa3
141a9838592
151036a1ad0
hex9b195d84

2602130820 has 96 divisors (see below), whose sum is σ = 7502936448. Its totient is φ = 673339392.

The previous prime is 2602130803. The next prime is 2602130831. The reversal of 2602130820 is 280312062.

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, 959907 + ... + 962613.

It is an arithmetic number, because the mean of its divisors is an integer number (78155588).

Almost surely, 22602130820 is an apocalyptic number.

2602130820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2602130820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3751468224).

2602130820 is an abundant number, since it is smaller than the sum of its proper divisors (4900805628).

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

2602130820 is a wasteful number, since it uses less digits than its factorization.

2602130820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2602130820 is about 51011.0852658518. The cubic root of 2602130820 is about 1375.4444086354. Note that the first 4 decimals are identical.

Adding to 2602130820 its reverse (280312062), we get a palindrome (2882442882).

It can be divided in two parts, 260 and 2130820, that added together give a triangular number (2131080 = T2064).

The spelling of 2602130820 in words is "two billion, six hundred two million, one hundred thirty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 433 444 555 740 866 1110 1299 1732 2165 2220 2598 2707 4330 5196 5414 6495 8121 8660 10828 12990 13535 16021 16242 25980 27070 32042 32484 40605 48063 54140 64084 80105 81210 96126 100159 160210 162420 192252 200318 240315 300477 320420 400636 480630 500795 600954 961260 1001590 1172131 1201908 1502385 2003180 2344262 3004770 3516393 4688524 5860655 6009540 7032786 11721310 14065572 17581965 23442620 35163930 43368847 70327860 86737694 130106541 173475388 216844235 260213082 433688470 520426164 650532705 867376940 1301065410 2602130820