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3020642880 = 263510928867
BaseRepresentation
bin1011010000001011…
…0101101001000000
321210111212120001020
42310002311221000
522141241033010
61215422505440
7134566020003
oct26402655100
97714776036
103020642880
11131008a782
12703735280
13391a61468
1420925b53a
1512a2c0470
hexb40b5a40

3020642880 has 112 divisors (see below), whose sum is σ = 9678863040. Its totient is φ = 798087168.

The previous prime is 3020642861. The next prime is 3020642893. The reversal of 3020642880 is 882460203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90207 + ... + 119073.

It is an arithmetic number, because the mean of its divisors is an integer number (86418420).

Almost surely, 23020642880 is an apocalyptic number.

3020642880 is a gapful number since it is divisible by the number (30) 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 3020642880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4839431520).

3020642880 is an abundant number, since it is smaller than the sum of its proper divisors (6658220160).

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

3020642880 is a wasteful number, since it uses less digits than its factorization.

3020642880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28996 (or 28986 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 3020642880 is about 54960.3755445685. The cubic root of 3020642880 is about 1445.5500322621.

The spelling of 3020642880 in words is "three billion, twenty million, six hundred forty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 109 120 160 192 218 240 320 327 436 480 545 654 872 960 1090 1308 1635 1744 2180 2616 3270 3488 4360 5232 6540 6976 8720 10464 13080 17440 20928 26160 28867 34880 52320 57734 86601 104640 115468 144335 173202 230936 288670 346404 433005 461872 577340 692808 866010 923744 1154680 1385616 1732020 1847488 2309360 2771232 3146503 3464040 4618720 5542464 6293006 6928080 9237440 9439509 12586012 13856160 15732515 18879018 25172024 27712320 31465030 37758036 47197545 50344048 62930060 75516072 94395090 100688096 125860120 151032144 188790180 201376192 251720240 302064288 377580360 503440480 604128576 755160720 1006880960 1510321440 3020642880